c. e. n. c. e. chik, s. b. kurniawan, z. n. a. shukri, i. b. terkula, f. wahab, a. endut, f. lananan, h. a. hasan, s. r. s. abdullah & n. a. kasan.  (2024).  chitosan coagulant: coagulation/flocculation studies on turbidity removal from aquaculture wastewater by response surface methodology.  - international journal of environmental science and technology.  805-816. 

jamilah ahmad, nuratiqah marsidi, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail, setyo budi kurniawan.  (2024).  integrating phytoremediation and mycoremediation with biosurfactant-producing fungi for hydrocarbon removal and the potential production of secondary resources.  - chemosphere.  1-24. 

fayeq abdelhafez alajalin, mushrifah idris, siti rozaimah sheikh abdullah, setyo budi kurniawan, muhammad fauzul imron.  (2024).  biosorption of lead and copper by epiphytic rhizobacterial species isolated from lepironia articulata and scirpus grossus.  - journal of ecological engineering.  44-61. 

benedict terkula iber, donald torsabo, chik che engku noramalina che engku, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan, nor azman kasan.  (2023).  a study on the recovery and characterization of suspended solid from aquaculture wastewater through coagulation/flocculation using chitosan and its viability as organic fertilizer.  - journal of agriculture and food research.  1-10. 

amina a. owodunni, suzylawati ismail, setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2023).  a review on revolutionary technique for phosphate removal in wastewater using green coagulant.  - journal of water process engineering.  1-12. 

nor sakinah mohd said, siti rozaimah sheikh abdullah, nur izzati ismail, hassimi abu hasan, ahmad razi othman.  (2023).  integrating treatment processes of coffee processing mill effluent for reclamation of secondary resources.  - journal of cleaner production.  1-18. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan, nor azman kasan.  (2023).  response surface methodology (rsm) approach to optimization of coagulation-flocculation of aquaculture wastewater treatment using chitosan from carapace of giant freshwater prawn macrobrachium rosenbergii.  - polymers.  1-27. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan and nor azman kasan.  (2023).  a study on the effects of interfering with the conventional sequential protocol for chemical isolation and characterization of chitosan from biowaste of giant freshwater prawn macrobrachium rosenbergii.  - heliyon.  1-19. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hasan, nor azman kasan.  (2023).  optimization of chitosan coagulant from dry legs of giant freshwater prawn, macrobrachium rosenbergii in aquaculture wastewater treatment using response surface methodology (rsm).  - journal of environmental chemical engineering.  1-16. 

nurina fitriani, ledy theresia, timothy tjahja nugraha o'marga, setyo budi kurniawan, agus supriyanto, siti rozaimah sheikh abdullah, luuk c. rietveld.  (2023).  performance of a modified and intermittently operated slow sand filter with two different mediums in removing turbidity, ammonia, and phosphate with varying acclimatization periods.  - heliyon.  1-11. 

muhammad fauzul imron, abiyyu armijn firman firdaus, zhiella octabriani flowerainsyah, dzikro rosyidah, nurina fitriani, setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan, yudha gusti wibowo.  (2023).  phytotechnology for domestic wastewater treatment: performance of pistia stratiotes in eradicating pollutants and future prospects.  - journal of water process engineering.  1-8. 

ipung fitri purwanti, siti rozaimah sheikh abdullah, ainon hamzah, mushrifah idris, hassan basri, mohd talib latif, muhammad mukhlisin, setyo budi kurniawan, muhammad fauzul imron.  (2023).  maximizing diesel removal from contaminated sand using scirpus mucronatus and assessment of rhizobacteria addition effect.  - heliyon.  1-12. 

setyo budi kurniawan, azmi ahmad, nor sakinah mohd said, kiki gustinasari, siti rozaimah sheikh abdullah, muhammad fauzul imron.  (2023).  the influence of preparation and pretreatment on the physicochemical properties and performance of plant-based biocoagulants in treating wastewater.  - environmental advances.  1-10. 

safa yaseen tahaa, asia fadhile almansoorya, israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, nur izzati ismail, mohammad hazaimeh, siti shilatul najwa sharuddin.  (2023).  hybrid constructed wetland for treatment of power plant effluent polluted with hydrocarbons.  - journal of water process engineering.  1-10. 

fachrul wahab, benedict terkula iber, che engku noramalina che engku chik, siti rozaimah sheikh abdullah, alianto, siti aslamyah, nor azman kasan.  (2023).  chitin and chitosan extraction: a comparison of three crab species from fresh, brackish and marine wat.  - bioresource technology reports.  1-9. 

radhiatul atiqah ramli shah, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail.  (2023).  prospective plants as biocoagulant-flocculants for removal of total suspended solids in coffee effluent treatment.  - chemical engineering research and design.  282-295. 

jamilah ahmad, siti rozaimah sheikh abdullah, hassimi abu hasan, israa abdulwahab al-baldawi, nuratiqah marsidi, nur izzati ismail.  (2023).  comparative performance of subsurface and free-surface planted beds for polishing real recycled paper effluent: influence of biomass ratio to pollutant.  - journal of water process engineering.  1-10. 

nur nadhirahramli, ahmad razi othman, setyo budikurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan.  (2023).  metabolic pathway of cr(vi) reduction by bacteria: a review.  - microbiological research.  1-14. 

junaidah buhari, hassimi abu hasan, setyo budi kurniawan, siti rozaimah sheikh abdullah, and ahmad razi othman.  (2023).  future and challenges of co-biofilm treatment on ammonia and bisphenol a removal from wastewater.  - journal of water process engineering.  1-17. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur zzati ismail.  (2023).  coagulation-flocculation treatment for batik effluent as a baseline study for the upcoming application of green coagulants/flocculants towards sustainable batik industry.  - heliyon.  1-17. 

nur nadhirah ramli, setyo budi kurniawan, joshua o. ighalo, nor sakinah mohd said, nuratiqah marsidi, junaidah buhari, radhiatul atiqah ramli shah, maryam zulkili, jahira alias, nurull muna daud, jamilah ahmad, ahmad razi othman, siti rozaimah.  (2023).  a review of the treatment technologies for hexavalent chromium contaminated water.  - biometals.  1189-1219. 

mohammad mohammad alnawajha, setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2023).  performance of leucaena leucocephala and alum in treating aquaculture: effect of dosage, rapid speed and settling time.  - international journal of environmental science and technology.  9981-9994. 

setyo budi kurniawan, muhammad fauzul imron, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2023).  coagulation-flocculation of aquaculture effluent using biobased flocculant: from artificial to real wastewater optimization by response surface methodology.  - journal of water processing engineering.  1-20. 

israa abdulwahab al-baldawi, safaa rasheed yasin, salwa shamran jasim, siti rozaimah sheikh abdullah, asia fadhile almansoory, nur izzati ismail.  (2023).  removal kinetics of organic carbon from palm oil mill effluent by native duckweeds and its potential as a biofertilizer..  - journal of water process engineering.  1-10. 

setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman, hassimi abu hasan.  (2023).  performance of chemical-based vs bio-based coagulants in treating aquaculture wastewater and cost-benefit analysis.  - polish journal of environmental studies.  1177-1187. 

setyo budi kurniawan, nur nadhirah ramli, nor sakinah mohd said, jahira alias, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman, ipung fitri purwanti, and hassimi abu hasan.  (2022).  practical limitations of bioaugmentation in treating heavy metal contaminated soil and role of plant growth promoting bacteria in phytoremediation as a promising alternative approach.  - heliyon.  1-14. 

azmi ahmad, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail.  (2022).  potential of local plant leaves as natural coagulant for turbidity removal.  - environmental science and pollution research.  2579-2587. 

ahmad razi othman, nur shuhada ismail, siti rozaimah sheikh abdullah, hassimi abu hasan, setyo budi kurniawan, siti shilatul najwa sharuddin, nur izzati ismail.  (2022).  potential of indigenous biosurfactant-producing fungi from real crude oil sludge in.  - journal of environmental chemical engineering.  1-12. 

junaidah buhari, hassimi abu hasan, nurul farhana mohd rahim, setyo budi kurniawan, siti rozaimah sheikh abdullah, ahmad razi othman.  (2022).  unveiling the optimal ammonia-oxidising bacterial consortium for polishing low ammonia-contaminated wastewater.  - journal of water process engineering.  1-9. 

jahira alias, hassimi abu hasan, siti rozaimah sheikh abdullah, ahmad razi othman.  (2022).  properties of bioflocculant-producing bacteria for high flocculating activity efficiency.  - environmental technology & innovation.  1-10. 

setyo budi kurniawan, dwi sasmita aji pambudi, mahasin maulana ahmad, benedicta dian alfanda, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2022).  ecological impacts of ballast water loading and discharge: insight into the toxicity and accumulation of disinfection by-products.  - heliyon.  1-8. 

yeow eu lun, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, setyo budi kurniawan, muhammad fauzul imron, osama abrahiem al falahi, nor sakinah mohd said, siti shilatul najwa sharuddin, nur izzati ismail.  (2022).  integrated emergent-floating planted reactor for textile effluent: removal potential, optimization of operational conditions and potential forthcoming waste management strategy.  - journal of environmental management.  1-14. 

setyo budi kurniawan, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman, ipung fitri purwanti & hassimi abu hasan.  (2022).  treatment of aquaculture effluent using bacteria-based bioflocculant produced by serratia marcescens.  - journal of water process engineering.  1-8. 

setyo budi kurniawan, muhammad fauzul imron, lukasz slugocki, kacper nowakowski, azmi ahmad, dhuroton najiya, siti rozaimah sheikh abdullah, ahmad razi othman, ipung fitri purwanti, hassimi abu hasan.  (2022).  assessing the effect of multiple variables on the production of bioflocculant by serratia marcescens flocculating activity, kinetics, toxicity, and flocculation mechanism.  - science of the total environment.  1-12. 

fayeq abdel hafez al-ajalin, siti rozaimah sheikh abdullah, mushrifah idris, setyo budi kurniawan, nur nadhirah ramli, muhammad fauzul imron.  (2022).  removal of ammonium, phosphate and cod by endophytic bacteria isolated from the root system of lepironia articulata (retz.) domin and scirpus grossus l..  - international journal of environmental science and technology.  11893-11904. 

ronal surya aditya, ah yusuf, fitriana kurniasari solikhah, setyo budi kurniawan, siti rozaimah sheikh abdullah.  (2022).  nurse experiences in handling stretcher patients on commercial medical escort in indonesia: a qualitative study.  - bangladesh journal of medical science.  502-511. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan, nur izzati ismail, yeny dhokikah.  (2022).  integrated physical-biological treatment system for batik industry wastewater: a review on process selection.  - science of the total environment.  1-17. 

siti noor khaleeda mhd syahri, hassimi abu hasan, siti rozaimah sheikh abdullah, ahmad razi othman, peer mohamed abdul, raja farzarul hanim raja azmy, mohd hafizuddin muhamad.  (2022).  recent challenges of biogas production and its conversion to electrical energy.  - journal of ecological engineering.  251-269. 

fazli rahim, siti rozaimah sheikh abdullah, hassimi abu hassan, setyo budi kurniawan, alias mamat, kamarul arifin yusof and khairil irwan ambak.  (2022).  a feasibility study for the treatment of 1,2 dichloroethane contaminated groundwater using reedbed system and assessment of its natural attenuation.  - science of the total environment.  1-9. 

israa abdulwahab al-baldawi, safaa rasheed yasin, salwa shamran jasim, siti rozaimah sheikh abdullah, asia fadhile almansoory, nur izzati ismail.  (2022).  removal of copper by azolla filiculoides and lemna minor: phytoremediation potential, adsorption kinetics and isotherms.  - heliyon.  1-10. 

osama abrahiem al falahi, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, hind mufeed ewadh, israa abduwahab al-baldawi, siti shilatul najwa sharuddin, setyo budi kurniawan, nur izzati ismail.  (2022).  elimination of mixed ibuprofen and paracetamol from spiked domestic wastewater via a pilot continuous aerated sub-surface constructed wetland system.  - journal of water process engineering.  1-16. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan, nor azman kasan.  (2022).  the impact of re-ordering the conventional chemical steps on the production and characterization of natural chitosan from biowaste of black tiger shrimp, penaeus monodon.  - journal of sea research.  1-15. 

nurul fakriah che hashim, hidayah manan, victor tosin okomoda, mhd ikhwanuddin, waiho khor, siti rozaimah sheikh abdullah, nor azman kasan.  (2022).  inoculation of bioflocculant-producing bacteria for enhanced biofloc formation and pond preparation: effect on water quality and bacterial community.  - aquaculture research.  1602-1607. 

osama abrahiem al falahi, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, hind mufeed ewadh, setyo budi kurniawan, muhammad fauzul imron.  (2022).  occurrence of pharmaceuticals and personal care products in domestic wastewater, available treatment technologies, and potential treatment using constructed wetland: a review.  - process safety and environmental protection.  1067-1088. 

bieby voijant tangahu, siti rozaimah sheikh abdullah, hassan basri, mushrifah idris, nurina anuar, muhammad mukhlisin.  (2022).  lead (pb) removal from contaminated water using constructed wetland planted with scirpus grossus: optimization using response surface methodology (rsm) and assessment of rhizobacterial addition.  - chemosphere.  1-11. 

azmi ahmad, setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2022).  exploring extraction methods for plant-based coagulants and their future approaches.  - science of the total environment.  1-11. 

mohammad mohammad alnawajha, setyo budi kurniawan, muhammad fauzul imron, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2022).  plant-based coagulants/flocculants characteristics, mechanisms, possible utilization in treating aquaculture effluent and benefiting from the recovered nutrients.  - environmental science and pollution research.  58430-58453. 

azmi ahmad, setyo budi kurniawan, jamilah ahmad, jahira alias, nuratiqah marsidi, nor sakinah mohd said, aiman syafiqah, junaidah buhari, nur nadhirah ramli, nurul farhana mohd rahim, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2022).  dosage-based application versus ratio-based approach for metal- and plant-based coagulants in wastewater treatment: merits, limitations and applicability.  - journal of cleaner production.  1-12. 

azmi ahmad, setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2022).  contaminants of emerging concern (cecs) in aquaculture effluent: insight into breeding and rearing activities, alarming impacts, regulations, performance of wastewater treatment unit and future approa.  - chemosphere.  1-15. 

enas abdulqader saeed almaamary, siti rozaimah sheikh abdullah, nur izzati ismail, mushrifah idris, setyo budi kurniawan, muhammad fauzul imron.  (2022).  comparative performance of scirpus grossus for phytotreating mixed dye wastewater in batch and continuous pilot sub-surface constructed wetland systems.  - journal of environmental management.  1-12. 

setyo budi kurniawan, muhammad fauzul imron, che engku noramalina che engku chik, amina adedoja owodunni, azmi ahmad, mohammad alnawajha, nurul farhana mohd rahim, siti rozaimah sheikh abdullah, nor azman kasan, suzylawati ismail, ahmad razi othman, and h.  (2022).  what compound inside biocoagulants/bioflocculants is contributing the most to the coagulation and flocculation processes?.  - science of the total environment.  1-25. 

setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman and hassimi abu hasan.  (2022).  potential of microalgae cultivation using nutrient-rich wastewater and harvesting performance by biocoagulants/bioflocculants: mechanism, multi-conversion of biomass into valuable products, and future.  - journal of cleaner production.  1-24. 

hassimi abu hasan, dheenesh sai annanda shanmugam, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad, and setyo budi kurniawan.  (2022).  potential of using dual-media biofilm reactors as a real coffee industrial effluent pre-treatment.  - water.  1-19. 

maryam zulkifli, hassimi abu hasan, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad.  (2022).  a review of ammonia removal using a biofilm-based reactor and its challenges.  - journal of environmental management.  1-24. 

katharina oginawati, septian hadi susetyo, sri intan rahmawati, setyo budi kurniawan, siti rozaimah sheikh abdullah.  (2022).  distribution of organochlorine pesticides pollution in water, sediment, mollusc and fish.  - toxicological research.  149-157. 

siti nur hatika abu bakar, hassimi abu hasan, abdul wahab mohammad, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad.  (2022).  interactions between operating parameters of moving bed biofilm reactors in treating palm oil mill effluent.  - process safety and environmental protection.  567-575. 

benedict terkula iber, victor tosin okomoda, sheikh abdullah rozaimah & nor azman kasan.  (2021).  eco-friendly approaches to aquaculture wastewater treatment: assessment of natural coagulants vis-a-vis chitosan.  - bioresource technology reports.  1-9. 

hazimi hamid, siti rozaimah sheikh abdullah, shamsuri abdul manan and nur izzati ismail.  (2021).  the effect of constructed marine outfall on water quality at batu feringghi coastal area.  - malaysian journal of biochemistry & molecular biology.  17-28. 

maryam aqilah norhan, siti rozaimah sheikh abdullah, hassimi abu hasan & nur izzati ismail.  (2021).  a constructed wetland system for bio-polishing palm oil mill effluent and its future research opportunities.  - journal of water process engineering.  1-8. 

kiki dwi wulandari, januarti jaya ekaputri, triwulan, setyo budi kurniawan, widya emilia primaningtyas, siti rozaimah sheikh abdullah, nur izzati ismail, muhammad fauzul imron.  (2021).  effect of microbe addition on the properties and surface morphology of fly ash-based geopolymer paste.  - journal of building engineering.  1-7. 

siti nur hatika abu bakar, hassimi,abu hasan, siti rozaimah sheikh abdullah, nor azman kasan, mohd hafizuddin,muhamad, setyo budi kurniawan.  (2021).  a review of the production process of bacteria-based polymeric flocculants.  - journal of water process engineering.  1-13. 

muhammad fauzul imron, setyo budi kurniawan, and siti rozaimah sheikh abdullah.  (2021).  resistance of isolated bacteria from leachate to heavy metals and removal of mercury (hg) by pseudomonas aeruginosa strain fz-2 under different salinity levels in batch biosorption system.  - sustainable environment research.  1-13. 

israa abdulwahab al-baldawi, maha tahaa, siti rozaimah sheikh abdullah, and nur izzati ismail.  (2021).  application of d-optimal design in optimizing mass ratio of biomass to pollutant for nickel phytoremediation by ceratophyllum sp..  - malaysian journal of biochemistry & molecular biology.  37-46. 

chin sze yee, victor tosin okomoda, fakriah hashim, khor waiho, siti rozaimah sheikh abdullah, alamanjo cosmas, hassimi abu hasan, emienour muzalina mustafa, and nor azman kasan.  (2021).  marine microalgae co-cultured with floc-forming bacterium: insight into growth and lipid productivity.  - peerj.  1-18. 

ahmad razi othman, hassimi abu hasan, mohd hafizzudin mohamad, nur izzati ismail, siti rozaimah sheikh abdullah.  (2021).  microbial degradation of microplastics by enzymatic processes: a review.  - environmental chemistry letters.  3057-3073. 

israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, nur izzati ismail, hassimi abu hasan.  (2021).  biodecolourisation of methylene blue in water using recycled paper mill activated sludge culture in a sequencing batch reactor.  - malaysian journal of biochemistry & molecular biology.  29-36. 

sarah dampang, endah purwanti, fredina destyorini, setyo budi kurniawan, siti rozaimah sheikh abdullah, muhammad fauzul imron.  (2021).  analysis of optimum temperature and calcination time in the production of cao using seashells waste as caco3 source.  - journal of ecological engineering.  221-228. 

azmi ahmad, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman & nur izzati ismail.  (2021).  aquaculture industry: supply and demand, best practices, effluent and its current issues and treatment technology.  - journal of environmental management.  1-14. 

setyo budi kurniawan, siti rozaimah sheikh abdullah, muhammad fauzul imron, azmi ahmad, nor sakinah mohd said, nurul farhana mohd rahim, mohammad mohammad alnawajha, hassimi abu hasan, ahmad razi othman, ipung fitri purwanti.  (2021).  potential of valuable materials recovery from aquaculture wastewater: an introduction to resource reclamation.  - aquaculture research.  2954-2962. 

hind munaem ahmed, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail, setyo budi kurniawan.  (2021).  phytotoxicity of coffee wastewater to water hyacinth as prior step to phytotreatment assessment: influence of concentration and amount of plant biomass.  - environmental engineering and management journal.  317-328. 

nurul nadiah zulkarnain, nurina anuar, norliza abd. rahman, siti rozaimah sheikh abdullah, muhammad nazir alias, mashitoh yaacob, zhongren ma, and gongtao ding.  (2021).  cell-based influenza vaccine: current production, halal status assessment, and recommendations towards islamic-compliant manufacturing.  - human vaccines & immunotherapeutics.  2158-2168. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan and nur izzati ismail.  (2021).  toxicity test of scirpus grossus and eichhornia crassipes for textile wastewater phytoremediation.  - malaysian journal of biochemistry & molecular biology.  122-130. 

ainil farhan mohd udaiyappan, hassimi abu hasan, mohd sobri takriff, siti rozaimah sheikh abdullah, nazlina haiza mohd yasin, bin ji.  (2021).  cultivation and application of scenedesmus sp. strain ukm9 in palm oil mill effluent treatment for enhanced nutrient removal.  - journal of cleaner production.  1-10. 

siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail.  (2021).  potential bifunctional rhizobacteria from crude oil sludge for hydrocarbon degradation and biosurfactant production.  - process safety and environmental protection.  108-121. 

muhammad fauzul imron, alifia rizki ananta, izzati saumi ramadhani, setyo budi kurniawan, siti rozaimah sheikh abdullah.  (2021).  potential of lemna minor for removal of methylene blue in aqueous solution: kinetics, adsorption mechanism, and degradation pathway.  - environmental technology & innovation.  1-16. 

setyo budi kurniawan, azmi ahmad, nurul farhana mohd rahim, nor sakinah mohd said, mohammad mohammad alnawajha, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman, nur izzati ismail, hassimi abu hasan.  (2021).  aquaculture in malaysia: water-related environmental challenges and opportunities for cleaner production.  - environmental technology & innovation.  1-18. 

i.d.a.a. warmadewanthi, gian chrystiadini, setyo budi kurniawan, siti rozaimah sheikh abdullah.  (2021).  impact of degraded solid waste utilization as a daily cover for landfill on the formation of methane and leachate.  - bioresource technology reports.  1-9. 

azmi ahmad, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail.  (2021).  plant-based versus metal-based coagulants in aquaculture wastewater treatment: effect of mass ratio and settling time.  - journal of water process engineering.  1-8. 

donald anak juan, hassimi abu hasan, mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, siti nur hatika abu bakar, junaidah buhari.  (2021).  physico-chemical and biological techniques of bisphenol a removal in aqueous solution.  - journal of ecological engineering.  136-148. 

israa abdulwahab al-baldawi, ahmed a. mohammed, zahraa hasan mutar, siti rozaimah sheikh abdullah, salwa shamran jasim, asia fadhile almansoory, nur izzati ismail.  (2021).  application of phytotechnology in alleviating pharmaceuticals and personal care products (ppcps) in wastewater - source, impacts, treatment, mechanisms, fate, and swot analysis.  - journal of cleaner production.  1-28. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, hassimi abu hasan, siti nur hatika abu bakar, setyo budi kurniawan, nur izzati ismail.  (2021).  a hybrid treatment system for water contaminated with pentachlorophenol: removal performance and bacterial community composition.  - journal of water process engineering.  1-14. 

nor sakinah mohd said, setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hassan, ahmad razi othman, nur izzati ismail.  (2021).  competence of lepironia articulata in eradicating chemical oxygen demand and ammoniacal nitrogen in coffee processing mill effluent and its potential as green straw.  - science of the total environment.  1-8. 

idaa warmadewanthi, muhammad agung zulkarnain, nurani ikhlas, setyo budi kurniawan, siti rozaimah sheikh abdullah.  (2021).  struvite precipitation as pretreatment method of mature landfill leachate.  - bioresource technology reports.  1-9. 

setyo budi kurniawan, nor sakinah mohd said, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2021).  microplastic pollution in the environment: insights into emerging sources and potential threats.  - environmental technology & innovation.  1-14. 

osama abrahiem al falahia, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, hind mufeed ewadh, israa abdulwahab al-baldawi, setyo budi kurniawan, muhammad fauzul imron, nur izzati ismail.  (2021).  simultaneous removal of ibuprofen, organic material, and nutrients from domestic wastewater through a pilot-scale vertical sub-surface flow constructed wetland with aeration system..  - journal of water process engineering.  1-13. 

setyo budi kurniawan, siti rozaimah sheikh abdullah, ahmad razi othman, ipung fitri purwanti, muhammad fauzul imron, nur izzati ismail, azmi ahmad, hassimi abu hasan.  (2021).  isolation and characterization of bioflocculant-producing bacteria from aquaculture effluent and its performance in treating high turbid water.  - journal of water process engineering.  1-10. 

hassimi abu hasan, jahira alias, farahanim nabila arbain, siti rozaimah sheikh abdullah, nor azman kasan, mohd hafizuddin muhamad.  (2021).  reusing sago mill effluent as a substrate for bio-based polymeric flocculant fermentation: optimisation of operational conditions.  - environmental technology & innovation.  1-11. 

setyo budi kurniawan, azmi ahmad, nor sakinah mohd said, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, ipung fitri purwanti, muhammad fauzul imron.  (2021).  macrophytes as wastewater treatment agent: nutrient uptake and potential of produced biomass utilization toward circular economy initiative.  - science of the total environment.  1-14. 

ibrahim alkali allamin, nur adeela yasid, siti rozaimah sheikh abdullah, mohd izuan effendi halmi and mohd yunus shukor.  (2021).  phyto-tolerance degradation of hydrocarbons and accumulation of heavy metals by of cajanus cajan (pigeon pea) in petroleum-oily-sludge-contaminated soil.  - agronomy.  1-17. 

setyo budi kurniawan, muhammad fauzul imron, nur izzati ismail, siti rozaimah sheikh abdullah.  (2021).  current state of marine plastic pollution and its technology for more eminent evidence: a review.  - journal of cleaner production.  1-12. 

nadya hussin al sbani, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, mohd izuan effendi halmi, omar hamed jehawi,nur izzati ismail.  (2021).  pah-degrading rhizobacteria of lepironia articulata for phytoremediation enhancement.  - journal of water process engineering.  1-11. 

asia fadhile almansoory, mushrifah idris, siti rozaimah sheikh abdullah, nurina anuar, setyo budi kurniawan.  (2021).  response and capability of scirpus mucronatus (l.) in phytotreating petrol-contaminated soil.  - chemosphere.  1-9. 

nor sakinah mohd said, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail.  (2021).  endurance of phragmites karka in removing colour and suspended solids from industrial coffee processing effluents in a continuous reed bed system.  - journal of water process engineering.  1-7. 

katharina oginawati, septian hadi susetyo, fiona aulia rosalyn, setyo budi kurniawan & siti rozaimah sheikh abdullah.  (2021).  risk analysis of inhaled hexavalent chromium (cr6+) exposure on blacksmiths from industrial area.  - environmental science and pollution research.  14000-14008. 

hassimi abu hasan, nuradila jamal, siti rozaimah sheikh abdullah, siti nur hatika abu bakar, mohd hafizuddin muhamad, xiangkun li.  (2021).  effective iron-accumulating bacteria isolated from chemical laboratory drainage for iron removal.  - journal of ecological engineering.  187-194. 

nurul nadiah zulkarnain, nurina anuar, nor azfa johari, siti rozaimah sheikh abdullah, ahmad razi othman.  (2020).  cytotoxicity evaluation of ketoprofen found in pharmaceutical wastewater on hek 293 cell growth and metabolism.  - environmental toxicology and pharmacology.  1-7. 

ainil farhan mohd udaiyappan, hassimi abu hasan, mohd sobri takriff, siti rozaimah sheikh abdullah, toshinari maeda, nurul asyifah mustapha, nazlina haiza mohd yasin, noor irma nazashida mohd hakimi.  (2020).  microalgae-bacteria interaction in palm oil mill effluent treatment.  - journal of water process engineering.  1-12. 

md ekhlasur rahman, mohd izuan effendi halmi, mohd yusoff abd samad, md kamal uddin, khairil mahmud, mohd yunus abd shukor, siti rozaimah sheikh abdullah, s m shamsuzzaman.  (2020).  design, operation and optimization of constructed wetland for removal of pollutant.  - international journal of environmental research and public health.  1-40. 

siti rozaimah sheikh abdullaha, israa abdulwahab al-baldawi, asia fadhile almansoory, ipung fitri purwanti, nadya hussin al-sbani & siti shilatul najwa sharuddin.  (2020).  plant-assisted remediation of hydrocarbons in water and soil: application, mechanisms, challenges and opportunities.  - chemosphere.  1-19. 

ahmad razi othman nur suhada mohd halimi muhammad shafiq sharafuddin mat zaini hassimi abu hasan nur izzati ismail siti rozaimah sheikh abdullah.  (2020).  degradation of carbofuran using malaysian isolate bacillus sp..  - malaysian journal of biochemistry and molecular biology.  1-7. 

aiman syafiqah mohd yusof, siti rozaimah sheikh abdullah, norul yasmin abd manan.  (2020).  application of treatment system using lepironia articulata and scirpus grossus for drinking water from tasik chini, pahang.  - test engineering and management.  11804-11816. 

nurina fitriani, maritha nilam kusuma, budisantoso wirjodirdjo, wahyono hadi, joni hermana, nimatuzahroh nimatuzahroh, setyo budi kurniawan, siti rozaimah sheikh abdullah, radin maya saphira radin mohamed.  (2020).  performance of geotextile-based slow sand filter media in removing total coli for drinking water treatment using system dynamics modelling.  - heliyon.  1-9. 

atyaf farooq alshekhli, hassimi abu hasan, mohd hafizuddin muhamad, siti rozaimah sheikh abdullah.  (2020).  development of adsorbent from phytoremediation plant waste for methylene blue removal.  - journal of ecological engineering.  207-215. 

fayeq abdel hafez al-ajalin, mushrifah idris, siti rozaimah sheikh abdullah, setyo budi kurniawan, muhammad fauzul imron.  (2020).  evaluation of short-term pilot reed bed performance for real domestic wastewater treatment.  - environmental technology and innovation.  1-12. 

ipung fitri purwanti, adriana obenu, bieby voijant tangahu, setyo budi kurniawan, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2020).  bioaugmentation of vibrio alginolyticus in phytoremediation of aluminium-contaminated soil using scirpus grossus and thypa angustifolia.  - heliyon.  1-10. 

fayeq abdel hafez al-ajalin, mushrifah idris, siti rozaimah sheikh abdullah, setyo budi kurniawan and muhammad fauzul imron.  (2020).  effect of wastewater depth to the performance of short-term batching-experiments horizontal flow constructed wetland system.  - environmental technology and innovation.  1-10. 

hassimi abu hasan, ezril hafiz razali, mohd hafizuddin muhamad, and siti rozaimah sheikh abdullah.  (2020).  bioflocculant production using palm oil mill and sago mill effluent as a fermentation feedstock: characterization and mechanism of flocculation.  - journal of environmental management.  1-8. 

setyo budi kurniawan, muhammad fauzul imron, nor sakinah said, nur izzati ismail, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, ipung fitri purwanti.  (2020).  challenges and opportunities of biocoagulant/bioflocculant application for drinking water and wastewater treatment and its potential for sludge recovery.  - international journal of environmental research and public health.  1-33. 

norhaslina mohd sidek, nurul uyun ahmad, siti rozaimah sheikh abdullah, and sarifah fauziah syed draman.  (2020).  phytoremediation of ex-mining lake water in constructed wetland by perennial plants.  - chiang mai university journal of natural sciences.  580-594. 

muhammad fauzul imron, setyo budi kurniawan, nur izzati ismail & siti rozaimah sheikh abdullah.  (2020).  future challenges in diesel biodegradation by bacteria isolates: a review.  - journal of cleaner production.  1-18. 

siti nur hatika abu bakar, hassimi abu hasan, abdul wahab mohammad, siti rozaimah sheikh abdullah, rahmat ngteni, khairul muis mohamed yusof.  (2020).  erratum to `performance of a laboratory-scale moving bed biofilm reactor (mbbr) and its microbial diversity in palm oil mill effluent (pome) treatment` [process saf. environ. prot. 142 (2020) 325-335].  - process safety and environmental protection.  1. 

israa abdul wahab al-baldawi, siti rozaimah sheikh abdullah, asia fadhile almansoory, nur izzati ismail, hassimi abu hasan, nurina anuar.  (2020).  role of salvinia molesta in biodecolorization of methyl orange-dye from water.  - scientific reports.  1-9. 

ibrahim alkali allamin, mohd izuan effendi halmi, nur adeela yasid, siti aqlima ahmad, siti rozaimah sheikh abdullah & yunus shukor.  (2020).  rhizodegradation of petroleum oily sludge contaminated soil using cajanus cajan increases the diversity of soil microbial community.  - scientific reports.  1-11. 

fayeq abdel hafez al-ajalin, mushrifah idris, siti rozaimah sheikh abdullah, setyo budi kurniawan, muhammad fauzul imron.  (2020).  design of a reed bed system for treatment of domestic wastewater using native plants.  - journal of ecological engineering.  22-28. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, hassimi abu hasan, siti nur hatika abu bakar.  (2020).  multimedia-sequencing batch biofilm reactor in treating recycled paper mill effluent containing high level of pentachlorophenol: long-term performance, mechanism and kinetic studies.  - journal of water process engineering.  1-17. 

azlin abd kadir, siti rozaimah sheikh abdullah, babul airianah othman, hassimi abu hasan, ahmad razi othman, muhammad fauzul imron, setyo budi kurniawan, nur izzati ismail.  (2020).  dual function of lemna minor and azolla pinnata as phytoremediator for palm oil mill effluent and as feedstock.  - chemosphere.  1-13. 

nur izzati ismail, siti rozaimah sheikh abdullah, mushrifah idris, setyo budi kurniawan, mohd izuan effendi halmi, nadya hussin al sbani, omar hamed jehawi & hassimi abu hasan.  (2020).  applying rhizobacteria consortium for the enhancement of scirpus grossus growth and phytoaccumulation of fe and al in pilot constructed wetlands..  - journal of environmental management.  1-12. 

nadya hussin al sbani, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, israa abdulwahab al-baldawi, omar hamed jehawi & nur izzati ismail.  (2020).  remediation of pahs-contaminated water and sand by tropical plant (eleocharis ochrostachys) through sub-surface flow system.  - environmental technology and innovation.  1-9. 

daniah ali hassoon nash, siti rozaimah sheikh abdullah, hassimi abu hasan, mushrifah idris, ahmad razi othman, israa abdulwahab al-baldawi, nur izzati ismail.  (2020).  utilisation of an aquatic plant (scirpus grossus) for phytoremediation of real sago mill effluent.  - environmental technology and innovation.  1-11. 

siti nur hatika abu bakar, hassimi abu hasan, abdul wahab mohammad, siti rozaimah sheikh abdullah, rahmat ngteni, khairul muis mohamed yusof.  (2020).  performance of a laboratory-scale moving bed biofilm reactor (mbbr) and its microbial diversity in palm oil mill effluent (pome) treatment.  - process safety and environmental protection.  325-335. 

omar hamed jehawi, siti rozaimah sheikh abdullah, setyo budi kurniawan, mushrifah idris, nur izzati ismail, nadya hussin al sbani, mushrifah idris mohd hafizuddin muhamad, hassimi abu hasan.  (2020).  performance of pilot hybrid reed bed constructed with aeration system on nutrient removal for domestic wastewater treatment.  - environmental technology & innovation.  1-9. 

nor sakinah mohd said, siti rozaimah sheikh abdullah, nur izzati ismail, hassimi abu hasan, ahmad razi othman.  (2020).  phytoremediation of real coffee industry effluent through a continuous two-stage constructed wetland system.  - environmental technology & innovation.  1-12. 

mohd aidil kamaruzzaman, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, maizom hassan & mushrifah idris.  (2020).  characterisation of pb-resistant plant growth-promoting rhizobacteria (pgpr) from scirpus grossus.  - biocatalysis and agricultural biotechnology.  1-7. 

hind m ewadh, siti rozaimah sheikh abdullah, hassimi abu hasan & nurina anwar.  (2019).  optimized conditions for pharmaceuticals and personal care products removal by ozonation using response surface methodology.  - international journal of pharmaceutical quality assurance.  90-99. 

harmin sulistiyaning titah, ipung fitri purwanti, bieby voijant tangahu, setyo budi kurniawan, muhammad fauzul imron, siti rozaimah sheikh abdullah & nur izzati ismail.  (2019).  kinetics of aluminium removal by locally isolated brochothrix thermosphacta and vibrio alginolyticus.  - journal of environmental management.  194-200. 

ipung fitri purwanti, setyo budi kurniawan, nur izzati ismail, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2019).  aluminium removal and recovery from wastewater and soil using isolated indigenous bacteria.  - journal of environmental management.  1-11. 

daniah ali hassoon nash, siti rozaimah sheikh abdullah, hassimi abu hasan, mushrifah idris, nurul fadhilah muhammad, israa abdulwahab al-baldawi, nur izzati ismail.  (2019).  phytoremediation of nutrients and organic carbon from sago mill effluent using water hyacinth (eichhornia crassipes).  - journal of engineering and technological sciences.  573-584. 

nur izzati ismail, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, mohd izuan effendi halmi, nadya hussin al sbani, omar hamed jehawi.  (2019).  simultaneous bioaccumulation and translocation of iron and aluminium from mining wastewater by scirpus grossus.  - desalination and water treatment.  133-142. 

z. mat nawi, s.k. kamarudin, s.r. sheikh abdullah, s.s. lam.  (2019).  the potential of exhaust waste heat recovery (whr) from marine diesel engines via organic rankine cycle.  - energy.  . 

n.h. kasmuri1, s. k. kamarudin, s. r. s. abdullah, h. a. hasan, a. md. som.  (2019).  integrated advanced nonlinear neural network-simulink controlsystem for production of bio-methanol from sugar cane bagasse viapyrolysis.  - energy.  . 

omar h. jehawi, siti rozaimah s. abdullah, hassimi a. hassan, nadya h. al sbani, nur izzati ismail & saleh o. a. handi.  (2019).  kinetic of nutrient removal in low-strength domestic wastewater under continuous operation of pilot scale of hybrid reed bed system (sf-vf-hf).  - journal of engineering and applied sciences.  9154-9161. 

suhair hussein safauldeen, hassimi abu hasan and siti rozaimah sheikh abdullah.  (2019).  phytoremediation efficiency of water hyacinth for batik textile effluent treatment.  - journal of ecological engineering.  177-187. 

nuratiqah marsidi, hassimi abu hasan, mohd izuan effendi halmi, siti rozaimah sheikh abdullah.  (2019).  resistance of native bacteria isolated from activated sludge towards iron and manganese.  - malaysian journal of analytical sciences.  131-137. 

azianabiha a halip khalid, zahira yaakob, siti rozaimah sheikh abdullah, mohd sobri takriff.  (2019).  assessing the feasibility of microalgae cultivation in agricultural wastewater: the nutrient characteristics.  - environmental technology and innovation.  1-9. 

shamaa bahaa, israa abdulwahab al-baldawi, safaa rasheed & siti rozaimah sheikh abdullah.  (2019).  biosorption of heavy metals from synthetic wastewater by using macro algae collected from iraqi marshlands.  - journal of ecological engineering.  18-22. 

asia fadhile almansoory, hassimi abu hasan, siti rozaimah sheikh abdullah, mushrifah idris, nurina anuar, wedad m. al-adiwish.  (2019).  biosurfactant produced by the hydrocarbon-degrading bacteria: characterization, activity and applications in removing tph from contaminated soil.  - environmental technology & innovation.  1-11. 

enas abdulqader, siti rozaimah abdullah, hassimi abu hasan, reehan adre ab. rahim, mushrifah idris, mohd aidil kamaruzzaman, nur izzati ismail.  (2019).  isolation and identification of tolerant bacteria from roots of scirpus grossus exposed to mixed synthetic dye.  - plant archives.  2034-2039. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, hassimi abu hasan, nur izzati ismail.  (2019).  effects of pentachlorophenol load on pcp, cod and nh3- n removal in lab-scale multimedia-sequencing batch biofilm reactor treating recycled paper mill wastewater.  - journal of environmental biology.  556-562. 

mohd aidil kamaruzzaman, siti rozaimah sheikh abdullah, hassimi abu hasan, maizom hassan, mushrifah idris, nur izzati ismail.  (2019).  potential of hexavalent chromium-resistant rhizosphere bacteria in promoting plant growth and hexavalent chromium reduction.  - journal of environmental biology.  427-433. 

enas abdulqader, siti rozaimah abdullah, hassimi abu hasan, nur izzati ismail, reehan adne ab. rahim, mushrifah idris.  (2019).  plant-assisted remediation of wastewater contaminated with methyl orange using scirpus grossus.  - journal of environmental biology.  515-523. 

saja radhi nayyef alanbary, siti rozaimah sheikh abdullah, israa abdul wahab al-baldawi, hassimi abu hasan, nurina anuar, ahmad razi othman & fatihah suja.  (2019).  phytotoxicity of contaminated sand containing crude oil sludge on ludwigia octovalvis.  - journal of ecological engineering.  246-255. 

muhamad farhan md yusoff, siti rozaimah sheikh abdullah, hassimi abu hasan, hawati janor & habibah ahmad.  (2019).  performance of continuous pilots ubsurface constructed wetland using scirpus grossus for removal of cod, colour and suspended solid in recycled pulp and paper effluent.  - environmental technology & innovation.  . 

azianabiha a. halip khalid, zahira yaakob, siti rozaimah sheikh abdullah, mohd sobri takriff.  (2019).  analysis of the elemental composition and uptake mechanism of chlorella sorokiniana for nutrient removal in agricultural wastewater under optimized response surface methodology (rsm) conditions.  - journal of cleaner production.  . 

siti norleela selamat, mohd izuan effendi halmi, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hassan & nurina anuar.  (2018).  optimization of lead (pb) bioaccumulation in melastoma malabathricum l. by response surface methodology (rsm).  - rendiconti lincei - scienze fisiche e naturali.  43-51. 

harmin sulistiyaning titah, mohd izuan effendi bin halmi, siti rozaimah sheikh abdullah, hassimi abu hasan, mushrifah idris, nurina anuar.  (2018).  statistical optimization of the phytoremediation of arsenic by ludwigia octovalvis in a pilot reed bed using response surface methodology (rsm) versus an artificial neural network (ann).  - international journal of phytoremediation.  . 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, hassimi abu hasan, reehan adnee abd. rahim, siti nur hatika abu bakar, nur izzati ismail, mohd izuan effendi halmi.  (2018).  adsorption isotherm and kinetic studies of pentachlorophenol removal from aqueous solution onto coconut shell-based granular activated carbon.  - journal of environmental science and technology.  . 

fuzieah subari, mohd aidil kamaruzzaman, siti rozaimah sheikh abdullah, hassimi abu hasan & ahmad razi othman.  (2018).  simultaneous removal of ammonium and manganese in slow sand biofilter (ssb) by naturally grown bacteria from lake water and its diverse microbial community.  - journal of environmental chemical engineering.  . 

nuratiqah marsidi, hassimi abu hasan, siti rozaimah sheikh abdullah.  (2018).  a review of biological aerated filters for iron and manganese ions removal in water treatment.  - journal of water process engineering.  1-12. 

israa abdulwahab albaldawi, siti rozaimah sheikh abdullah, nurina anuar, hassimi abu hasan.  (2018).  phytotransformation of methylene blue from water using aquatic plant (azolla pinnata).  - environmental technology & innovation.  . 

fuzieah subari, siti rozaimah sheikh abdullah, hassimi abu hasan & norliza abd. rahman.  (2018).  biological removal of ammonia by naturally grown bacteria in sand biofilter.  - malaysian journal of analytical sciences.  . 

azlin abd kadir, siti rozaimah sheikh abdullah & hassimi abu hasan.  (2018).  comparative phytotoxicity of azolla pinnata and lemna minor in treated palm oil mill effluent.  - international journal of engineering and technology (uae).  . 

norhaslina mohd sidek, siti rozaimah sheikh abdullah, nurul uyun ahmad, sarifah fauziah syed draman, muhammad muzakkir mohd rosli & mohamad fahmey sanusi.  (2018).  phytoremediation of abandoned mining lake by water hyacinth and water lettuce in constructed wetlands.  - jurnal teknologi.  . 

hind m. ewadh, siti rozaimah abdullah, nurina anwar, hassimi abu hasan & mufeed jalil ewadh.  (2018).  the effect of pharmaceuticals and personal care products (ppcps) on human embryonic cells 293hek proliferation.  - journal of pharmaceutical sciences and research.  . 

hind m. ewadh, siti rozaimah abdullah, nurina anwar & hassimi abu hasan.  (2018).  the removal of pharmaceuticals and personal care products (ppcps) as mixture from water stream by ozonation: role of ph and retention time on ppcps removal.  - journal of global pharma technology.  . 

siti nur hatika abu bakar, hassimi abu hasan, abdul wahab mohammad, siti rozaimah sheikh abdullah, teow yeit haan, rahmat ngteni and khairul muis mohamed.  (2018).  a review of moving-bed biofilm reactor technology for palm oil mill effluent treatment.  - journal of cleaner production.  1532-1545. 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, mushrifah idris, nurina anuar, hassan basri, muhammad mukhlisin, bieby voijant tangahu, ipung fitri purwanti and setyo budi kurniawan.  (2018).  arsenic resistance and biosorption by isolated rhizobacteria from the roots of ludwigia octovalvis.  - international journal of microbiology.  . 

azianabiha a halip khalida, zahira yaakob, siti rozaimah sheikhabdullah, mohd sobritakriff.  (2018).  growth improvement and metabolic profiling of native and commercial chlorella sorokiniana strains acclimatized in recycled agricultural wastewater.  - bioresource technology.  930-939. 

fathiyyah mohd zainudin, hassimi abu hasan, siti rozaimah sheikh abdullah.  (2018).  an overview of the technology used to remove trihalomethane (thm), trihalomethane precursors, and trihalomethane formation potential (thmfp) from water and wastewater.  - journal of industrial and engineering chemistry.  1-14. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan.  (2018).  response surface methodological analysis for the optimization of acid catalyzed transesterification biodiesel wastewater pretreatment using coagulation flocculation process.  - process safety and environmental protection.  184-192. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin, noorhisham tan kofli.  (2018).  hrt effect on simultaneous cod, ammonia and manganese removal from drinking water treatment system using a biological aerated filter (baf).  - environmental engineering and management journal.  . 

ainil farhan mohd udaiyappan, hassimi abu hasan, mohd sobri takriff, siti rozaimah sheikh abdullah.  (2017).  a review of the potentials, challenges and current status of microalgae biomass applications in industrial wastewater treatment.  - journal of water process engineering.  8-21. 

norherdawati kasim, ebrahim mahmoudi, abdul wahab mohammad, siti rozaimah sheikh abdullah.  (2017).  influence of feed concentration and ph on iron and manganese rejection via nanohybrid polysulfone ultrafiltration membrane.  - desalination and water treatment.  29-41. 

helia hajian, najeeb kaid nasser al-shorgani, siti rozaimah sheikh abdullah, and wan mohtar wan yusoff.  (2017).  optimization of itaconic acid production by aspergillus terreus suk-1 using responce surface methodology.  - asian journal of microbiology, biotechnology and environmental sciences.  216-223. 

sopiah ambong khalid, sarifah fauziah syed draman, siti rozaimah sheikh abdullah, nornizar anuar & mohamad fahmi azraf mohd radzi.  (2017).  in situ analysis of water quality monitoring in ex-mining lake tasik puteri (terengganu, malaysia).  - arpn journal of engineering and applied sciences.  3251-3254. 

n.h. kasmuri, s.k. kamarudin, s.r.s. abdullah, h.a. hasan, a.md. som.  (2017).  process system engineering aspect of bio-alcohol fuel production from biomass via pyrolysis: an overview.  - renewable and sustainable energy reviews.  914-923. 

nur izzati ismail, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, mohd izuan effendi halmi, nadya hussin al sbani, omar hamed jehawi, salmi nur ain sanusi and mohd hafifi hashim.  (2017).  accumulation of fe-al by scirpus grossus grown in synthetic bauxite mining wastewater and identification of its resistant rhizobacteria.  - environmental engineering science.  367-375. 

israa abdul wahab al-baldawi, siti rozaimah sheikh abdullah, nurina anuar & mushrifah idris.  (2017).  bioaugmentation for the enhancement of hydrocarbon phytoremediation by rhizobacteria consortium in pilot horizontal subsurface flow constructed wetlands.  - international journal of environmental science and technology.  75-84. 

norherdawati kasim, abdul wahab mohammad and siti rozaimah sheikh abdullah.  (2017).  iron and manganese removal by nf/uf membranes: influence of ph adjustment.  - malaysian journal of analytical sciences.  149-158. 

asia fadhile almansoory, mushrifah idris, siti rozaimah sheikh abdullah and nurina anuar.  (2017).  phytoremediation of contaminated soils containing gasoline using ludwigia octovalvis (jacq.) in greenhouse pots.  - environmental science and pollution research.  11998-12008. 

enas abdulqader saeed almaamary, siti rozaimah sheikh abdullah, hassimi abu hassan, reehan adne abdul rahman & mushrifah idris.  (2017).  treatment of methylene blue in wastewater using scirpus grossus.  - malaysian journal of analytical sciences.  182-187. 

jamilah ahmad, siti rozaimah sheikh abdullah, hassimi abu hassan, reehan adne abdul rahman & mushrifah idris.  (2017).  screening of tropical native aquatic plants for polishing pulp and paper mill final effluent.  - malaysian journal of analytical sciences.  105-112. 

mohd izuan effendi bin halmi, siti rozaimah sheikh abdullah & mohd yunus shukor.  (2017).  characterization of chromate reducing pseudomonas aeruginosa strain mie3 isolated from juru river sludge and its potential on azo dye decolorization.  - journal of chemical and pharmaceutical sciences.  522-526. 

asia fadhile almansoory, hassimi abu hasan, mushrifah idris, siti rozaimah sheikh abdullah, nurina anuar, & el mubarak musa tibin.  (2017).  biosurfactant production by the hydrocarbon-degrading bacteria (hdb) serratia marcescens: optimization using central composite design (ccd).  - journal of industrial and engineering chemistry.  272-280. 

nur tantiyani ali othman, darman nordin, siti rozaimah sheikh abdullah, rosiah rohani.  (2017).  continuous assessment on programme outcomes of chemical and biochemical engineering based on students feedback.  - journal of engineering science and technology.  50-57. 

rosiah rohani, norliza abdul rahman, mohd shahbudin masdar, nor yuliana yuhana, siti rozaimah sheikh abdullah, izzati izni yusoff.  (2017).  program outcomes for enabling and culminating course: process system engineering and design project.  - journal of engineering science and technology.  31-41. 

masli irwan rosli, nurina anuar, rosiah rohani, siti rozaimah sheikh abdullah.  (2017).  evaluation of program outcomes through final year project.  - journal of engineering science and technology.  12-21. 

salmi nur ain sanusi, mohd izuan effendi halmi, siti rozaimah sheikh abdullah, hassimi abu hassan, firdaus mohamad hamzah & mushrifah idris.  (2016).  comparative process optimization of pilot scale total petroleum hydrocarbon (tph) degradation by paspalum scrobiculatum l. hack using response surface methodology (rsm) and artificial neural network.  - ecological engineering.  524-534. 

norherdawati kasim, abdul wahab mohammad and siti rozaimah sheikh abdullah.  (2016).  performance of membrane filtration in the removal of iron and manganese from malaysia`s groundwater.  - membrane water treatment.  227-295. 

siti afifah muda, omar syah jehan elham, hassimi abu hasan & siti rozaimah sheikh abdullah.  (2016).  production of biogas through anaerobic digestion of cabomba furcata in digester batch system.  - malaysian journal of analytical sciences.  1491-1497. 

azianabiha a halip khalida, zahira yaakob , siti rozaimah sheikh abdullah, mohd sobri takriff.  (2016).  enhanced growth and nutrients removal efficiency of characium sp. cultured in agricultural wastewater via acclimatized inoculum and effluent recycling.  - journal of environmental chemical engineering.  3426-3432. 

hamdan m.h., othaman m.a., suhaili z., shukor m.s., halmi m.i.e., abdullah s.r.s., shamaan n.a., shukor m.y..  (2016).  aisolation and characterization of a heavy metalreducing enterobacteriaceae bacterium strain dry 7 with the ability to assimilate phenol and diesel.  - indian journal of science and technology.  1-10. 

mushrifah idris, siti rozaimah sheikh abdullah, harmin sulistiyaning titah, mohd talib latif, abdul rahman abas, ahmad khairi husin, raja farzarul hanima & rozita ayub.  (2016).  screening and identification of plants at petroleum contaminated site in malaysia for use in phytoremediation.  - journal of environmental science and management.  27-36. 

rosiah rohani, nadiah khairul zaman, siti rozaimah sheikh abdullah.  (2016).  linking course outcomes and grade achievement for students undertaking a laboratory course.  - pertanika journal of social science and humanities.  123-134. 

nuratiqah marsidi, chan khan nye, siti rozaimah sheikh abdullah, hassimi abu hassan and mohd izuan effendi halmi.  (2016).  phytoremediation of naproxen in waste water using vetiver zizaniodes.  - journal of engineering science and technology (jestec).  1086-1097. 

hassimi abu hasan, siti rozaimah sheikh abdullah, nor ashikin shafinaz whayab, fathiyyah mohd zainudin, muhammad farhan md yusoff.  (2016).  design of supporting media for growth of biofilm in treating industrial wastewater.  - indian journal of science & technology.  1-6. 

mohd izuan effendi bin halmi, siti rozaimah sheikh abdullah, helmi wasoh,wan lutfi wan johari, mohd shukuri bin mohd ali, noor azmi shaharuddin, mohd yunus shukor.  (2016).  optimization and maximization of hexavalent molybdenum reduction to mo-blue by serratia sp. strain mie2 using response surface methodology.  - rendiconti lincei - scienze fisiche e naturali.  697-709. 

m. h. hamdan, m. a. othaman, z. suhaili, m. s. shukor, m. i. e. halmi, s. r. s. abdullah, n. a. shamaan & m. y. shukor.  (2016).  isolation and characterization of a heavy metalreducing enterobacteriaceae bacterium strain dry 7 with the ability to assimilate phenol and diesel.  - indian journal of science and technology.  1-10. 

noor shazleen sharfadeen, muhammad syukri abd rahaman, siti rozaimah sheikh abdullah, zuraifah minhat.  (2016).  comparative carbon dioxide capture from air between chlorella vulgaris and chlorella sorokiniana.  - indian journal of science and technology.  1-7. 

hassimi abu hasan, siti rozaimah sheikh abdullah, noorhisham tan kofli, shy jay yeoh.  (2016).  interaction of environmental factors on simultaneous biosorption of lead and manganese ions by locally isolated bacillus cereus.  - journal of industrial and engineering chemistry.  295-305. 

fathiyyah mohd zainudin, hassimi abu hasan and siti rozaimah sheikh abdullah.  (2016).  characterization of trihalomethanes (thms) levels in surface water, domestic and industrial wastewater.  - journal of environmental science and technology.  268-276. 

hassimi abu hasan, siti rozaimah sheikh abdullah, ali waheid nakemish al-attabi, daniah ali hassoon nash, nurina anuar, norliza abd. rahman, harmin sulistiyaning titah.  (2016).  removal of ibuprofen, ketoprofen, cod and nitrogen compounds from pharmaceutical wastewater using aerobic suspension-sequencing batch reactor (assbr).  - separation and purification technology.  215-221. 

nadya hussin al-sbani, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, omar hamed jehawi & nur izzati ismail.  (2016).  toxicity test of hydrocarbon exposure on lepironia articulate in phytoremediation process.  - asian journal of chemistry.  30-34. 

kasim n., mohammad a.w., abdullah s.r.s..  (2016).  characterization of hydrophilic nanofiltration and ultrafiltration membranes for groundwater treatment as potable water resources.  - desalination and water treatment.  7711-7720. 

shukor m.s., aftab k., norazlina m., effendi h.m.i., sheikh a.s.r., yunus s.m..  (2016).  isolation of a novel molybdenum-reducing and azo dye decolorizing enterobacter sp. strain aft-3 from pakistan.  - chiang mai university journal of natural sciences.  95-114. 

nadya hussin al-sbani, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, omar hamed jehawi & nur izzati ismail.  (2016).  sub-surface flow system for pahs removal in water using lepironia articulate under greenhouse conditions.  - ecological engineering.  1-8. 

mohd izuan effendi halmi, siti rozaimah sheikh abdullah, wan lutfi wan johari, mohd shukuri muhammad ali, noor azmi shaharuddin, ariff khalid4 and mohd yunus shukor.  (2016).  modeling the kinetics of hexavalent molybdenum (mo6+) reduction by serratia sp. strain mie2 in batch culture.  - rendiconti lincei - scienze fisiche e naturali.  1-13. 

norliza abd.rahman, siti rozaimah sheikh abdullah, nazlena mohamad ali.  (2015).  interactive short cut method for pressure vessel design based on asme code.  - journal of engineering science and technology.  53-60. 

asia fadhile almansoory, hassimi abu hasan, mushrifah idris, siti rozaimah sheikh abdullah and nurina anuar.  (2015).  potential application of a biosurfactant in phytoremediation technology for treatment of gasoline-contaminated soil.  - ecological engineering.  113-120. 

siti rozaimah sheikh abdullah, mohd shahbuddin mastar, hassimi abu hasan.  (2015).  course outcome achievement in fundamentals of thermodynamics course through direct and indirect measurement.  - journal of engineering science and technology.  74-81. 

israa abdul wahab al-baldawi, siti rozaimah sheikh abdullah, fatihah suja, nurina anuar & mushrifah idris.  (2015).  phytoremediation of contaminated ground water using typha angustifolia.  - water practice and technology.  616-624. 

israa abdul wahab al-baldawi, siti rozaimah sheikh abdullah, fatihah suja, nurina anuar, mushrifah idris..  (2015).  the ratio of plant numbers to the total mass of contaminant as one factor in scaling-up phytoremediation process.  - jurnal teknologi.  111-114. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, hassimi abu hasan.  (2015).  efficiency of attached-growth sequencing batch reactor in the treatment of recycled paper mill wastewater.  - jurnal teknologi.  89-94. 

muhammad said, abdul wahab mohammad, mohd tusirin mohd nor, siti rozaimah sheikh abdullah & hassimi abu hasan.  (2015).  investigation of three pre-treatment methods prior to nanofiltration membrane for palm oil mill effluent treatment.  - saians malaysiana.  421-427. 

omar hamed jehawi, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, nadya hussin al sbani, nur izzati ismail.  (2015).  removal of chemical oxygen demand (cod) from domestic wastewater using hybrid reed bed system.  - applied mechanics and materials.  1226-1230. 

nur tantiyani ali othman, siti rozaimah sheikh abdullah, mohd sobri takriff, norliza abd rahman, noorhisham tan kofli, manal ismail, siti zulaikha hassan.  (2015).  achievement of programme outcomes through integrated project as an innovative approach from a teaching and learning perspective.  - journal of engineering science and technology.  61-73. 

masli irwan rosli, nurina anuar, siti rozaimah sheikh abdullah, abu bakar mohamad.  (2015).  evaluation of program outcomes through the final year project.  - journal of engineering science and technology.  92-99. 

norazlina masdor, mohd shukri abd shukor, aftab khan, mohd izuan effendi bin halmi, siti rozaimah sheikh abdullah, nor aripin shamaan & mohd yunus shukor.  (2015).  isolation and characterization of a molybdenum-reducing and sds degrading klebsiella oxytoca strain aft-7 and its bioremediation application in the environment.  - biodiversitas.  238-246. 

said m., ahmad a., mohammad a.w., nor m.t.m., sheikh abdullah s.r..  (2015).  blocking mechanism of pes membrane during ultrafiltration of pome.  - journal of industrial and engineering chemistry.  182-188. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin and noorhisham tan kofli.  (2015).  effective curves of completing simultaneous ammonium and manganese removal in polluted water using a biological aerated filter.  - journal of industrial and engineering chemistry.  153-159. 

norliza abd. rahman, siti rozaimah sheikh abdullah, faezah esa, nazlena mohamad ali.  (2015).  measuring student satisfaction towards ipvd.  - jurnal teknologi.  57-61. 

israa abdulwahab albaldawi, siti rozaimah sheikh abdullah, fatihah suja, nurina anuar & mushrifah idris.  (2015).  phytodegradation of total petroleum hydrocarbon (tph) in diesel-contaminated water using scirpus grossus.  - ecological engineering.  463-473. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan & zahira yaakob.  (2015).  production of biodiesel and its wastewater treatment technologies: a review.  - process safety and environmental protection.  487-508. 

ipung fitri purwanti, siti rozaimah sheikh abdullah, ainon hamzah, musrifah idris, hassan basri, muhammad mukhlisin, and mohd talib latif.  (2015).  biodegradation of diesel by bacteria isolated from scirpus mucronatus rhizosphere in diesel-contaminated sand.  - advanced science letters.  140-143. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, hassimi abu hasan and reehan adne abd. rahim.  (2015).  comparison of the efficiencies of attached- versus suspended-growth sbr systems in the treatment of recycled paper mill wastewater.  - journal of environmental management.  115-124. 

nur izzati ismail, siti rozaimah sheikh abdullah, mushrifah idris, hassimi abu hasan, nadya hussin al sbani and omar hamed jehawi.  (2015).  tolerance and survival of scirpus grossus and lepironia articulata in synthetic mining wastewater.  - journal of environmental science and technology.  232-237. 

hassimi abu hasan, shahrizan jamaludin and siti rozaimah sheikh abdullah.  (2015).  aeration control based on a neural network in a biological aerated filter for simultaneous removal of ammonia and manganese.  - journal of environmental science and technology.  278-288. 

ong c.b., mohammad a.w., abdullah s.r.s., hasan h.a., koo c.h..  (2015).  pilot study for sewage wastewater reclamation and reuse using ro membrane: comparison of different pre-treatment systems.  - desalination and water treatment.  900-907. 

nadya, h.a.s., siti rozaimah, s.a., nur izzati i., omar h.j.  (2014).  preliminary test of hydrocarbon exposure on eleocharis ochrostachys in phytoremediation process.  - australian journal of basic and applied sciences.  26-29. 

norliza abd. rahman , mohd. azlan hussain, jamaliah md. jahim & siti rozaimah sheikh abdullah.  (2014).  software sensor to enhance production of fructose.  - modern applied science.  8 (3):158-166. 

omar hamed jehawi, siti rozaimah sheikh abdullah, hassimi abu hasan, nurina anuar, mushrifah idris, nadya hussin al sbani, nur izzati ismail.  (2014).  a reed bed system for the treatment of domestic wastewater and micropollutants.  - australian journal of basic and applied sciences.  280-283. 

nur izzati, i., siti rozaimah, s.a., mushrifah, i., nadya, h.a.s. and omar, h.j.  (2014).  preliminary test of mining wastewater containing iron (iii) and aluminium (iii) on lepironia articulata in phytoremediation.  - australian journal of basic and applied sciences.  168-171. 

n.m. daud, h. abu hasan, s.r. sheikh abdullah.  (2014).  review: application coagulation-biological aerated filter (cbaf) system for biodiesel wastewater treatment.  - australian journal of basic and applied sciences.  296-298. 

m.s. takriff, n.l. jaafar and s.r.s. abdullah.  (2014).  a review of biofilm treatment systems in treating downstream palm oil mill effluent (pome).  - journal of applied sciences.  14(12)1334-1338. 

rahman, n.a., hussain, m.a., jahim, j.m., abdullah, s.r.s..  (2014).  fuzzy control for ph and temperature in the glucose isomerisation process.  - advances in environmental biology.  654-657. 

asia fadhile almansoory; mushrifah idris; siti rozaimah sheikh abdullah; nurina anuar.  (2014).  screening for potential biosurfactant producing bacteria from hydrocarbon degrading isolates.  - advances in environmental biology.  639-647. 

israa abdulwahab albaldawi, siti rozaimah sheikh abdullah, hassimi abu hasan, fatihah suja, nurina anuar & mushrifah idris.  (2014).  optimized conditions for phytoremediation of diesel by scirpus grossus in horizontal subsurface flow constructed wetlands using (hsfcws) response surface methodology.  - journal of environmental management.  140:152-159. 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, idris mushrifah, nurina anuar, hassan basri and muhammad mukhlisin.  (2014).  phytotoxicity and uptake of arsenic by ludwigia octovalvis in a pilot reed bed system.  - environmental engineering science.  31(2):71-79. 

mushrifah idris, siti rozaimah sheikh abdullah, harmin sulistiyaning titah, mohd talib latif and rozita ayub.  (2014).  degradation of total petroleum hydrocarbon in phytoremediation using terrestrial plants.  - environmentasia.  36-44. 

muhammad said, abdul wahab mohammad, mohd tusirin mohd nor, siti rozaimah sheikh abdullah and hassimi abu hasan.  (2014).  chemical cleaning of fouled polyethersulphone membranes during ultrafiltration of palm oil mill effluent.  - membrane water treatment.  207-219. 

chin boon ong, abdul wahab mohammad, siti rozaimah sheikh abdullah, hassimi abu hasan, chai hoon koo.  (2014).  pilot study for sewage wastewater reclamation and reuse using ro membrane: comparison of different pre-treatment systems.  - desalination and water treatment.  1-8. 

asia fadhile almansoory, mushrifah idris, siti rozaimah sheikh abdullah and nurina anuar.  (2014).  plant-microbe interaction of serratia marcescens and scirpus mucronatus on phytoremediation of gasoline contaminated soil.  - international journal of chemtech research.  6(1):556-564. 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, mushrifah idris, nurina anuar, hassan basri and muhammad mukhlisin.  (2014).  identification of rhizobacteria from ludwigia octovalvis grown in arsenic.  - australian journal of basic and applied sciences.  8(8):134-139. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin, noorhisham tan kofli and nurina anuar.  (2014).  kinetic evaluation of simultaneous cod, ammonia and manganese removal from drinking water using a biological aerated filter system.  - separation and purification technology.  130:56-64. 

nurleyna yunus, jamaliah md jahim, nurina anuar, siti rozaimah s. abdullah, norhisham t. kofli.  (2014).  batch fermentative hydrogen production utilising sago (metroxylon sp.) starch processing effluent by enriched sago sludge consortia.  - international journal of hydrogen energy.  19937-19946. 

al-baldawi i.a.w., sheikh abdullah s.r., abu hasan h., suja f., anuar n., mushrifah i..  (2014).  optimized conditions for phytoremediation of diesel by scirpus grossus in horizontal subsurface flow constructed wetlands (hsfcws) using response surface methodology.  - journal of environmental management.  152 - 159. 

s. norleela selamat, s. rozaimah sheikh abdullah and m. idris.  (2014).  phytoremediation of lead (pb) and arsenic (as) by melastoma malabathricum l. from contaminated soil in separate exposure.  - international journal of phytoremediation.  16(7-8):694-703. 

siti rozaimah sheikh abdullah, masturah markom & hassimi abu hassan.  (2013).  challenges in teaching and learning fundamentals of thermodynamics in engineering.  - journal of engineering and applied sciences.  29-37. 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, mushrifah idris, nurina anuar, hassan basri and muhammad mukhlisin.  (2013).  arsenic toxicity on ludwigia octovalvis in spiked sand.  - bulletin of environmental contamination and toxicology.  90(6):714-719. 

muhammad ansori nasution, zahira yaakob, ehsan ali, ng bee lan and siti rozaimah sheikh abdullah.  (2013).  a comparative study using aluminum and iron electrodes for the electrocoagulation of palm oil mill effluent to reduce its polluting nature and hydrogen production simultaneously.  - pakistan journal of zoology.  45(2):331-337. 

wan hasnidah wan osman, siti rozaimah sheikh abdullah, abu bakar mohamad, abdul amir h. kadhum & rakmi abd rahman.  (2013).  simultaneous removal of aox and cod from real recycled paper wastewater using gac-sbbr.  - journal of environmental management.  121:80-86. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, abu bakar mohamad, rakmi abdul rahman and abdul amir hasan kadhum.  (2013).  application of response surface methodology (rsm) for optimisation of cod, nh3-n and 2,4-dcp removal from recycled paper wastewater in a pilot-scale granular activated carbon sequencing batch......  - journal of environmental management.  121:179-190. 

israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, fatihah suja`, nurina anuar, mushrifah idris.  (2013).  phytotoxicity test of scirpus grossus on diesel-contaminated water using a subsurface flow system.  - ecological engineering.  54:49-56. 

masita mohammad, zahira yaakob, siti rozaimah sheikh abdullah.  (2013).  carbon derived from jatropha seed hull as a potential green adsorbent for cadmium (ii) removal from wastewater.  - materials.  4462-4478. 

haider mohammed owaid, roszilah hamid, siti rozaimah sheikh abdullah, noorhisham tan kofli, mohd raihan taha.  (2013).  physical and mechanical properties of high performance concrete with alum sludge as partial cement replacement.  - jurnal teknologi (sciences & engineering).  105-12. 

israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, fatihah suja, nurina anuar, idris mushrifah.  (2013).  effect of aeration on hydrocarbon phytoremediation capability in pilot sub-surface flow constructed wetland operation.  - ecological engineering.  61PA:496-500. 

siti rozaimah sheikh abdullah, abu bakar mohamad, nurina anuar, masturah markom, manal ismail, masli irwan rosli & hassimi abu hasan.  (2013).  a comparative analysis between direct and indirect measurement of year i integrated project.  - international education studies.  6(6):143-150. 

b. voijant tangahu, s. rozaimah sheikh abdullah, h. basri, m. idris, n. anuar & m. mukhlisin.  (2013).  phytotoxicity of wastewater containing lead (pb) effects on scirpus grossus.  - international journal of phytoremediation.  15(8):814-826. 

n. a. rahman, m. a. hussain, j. m. jahim, s.k. kamaruddin, s.r. sheikh abdullah, m.z.f. kamaruddin.  (2013).  integrating computer applications into undergraduate courses: process control and utility design.  - education for chemical engineers.  8:45-47. 

bieby voijant tangahu, siti rozaimah sheikh abdullah, hassan basri, mushrifah idris, nurina anuar, muhammad mukhlisin.  (2013).  phytoremediation of wastewater containing lead (pb) in pilot reed bed using scirpus grossus.  - international journal of phytoremediation.  15(7):663-676. 

chin boon ong, abdul wahab mohammad, siti rozaimah sheikh abdullah, hassimi abu hasan.  (2013).  performance investigation of pilot study for wastewater reclamation using ferric chloride as coagulant.  - jurnal teknologi.  95-99. 

israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, nurina anuar, fatihah suja, mushrifah idris.  (2013).  a phytotoxicity test of bulrush (scirpus grossus) grown with diesel contamination in a free-flow reed bed system.  - journal of hazardous materials.  252-253:64-69. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin, noorhisham tan kofli.  (2013).  on-off control of aeration time in the simultaneous removal of ammonia and manganese using a biological aerated filter system.  - process safety and environmental protection.  91:415-422. 

israa abdul wahab al-baldawi, siti rozaimah sheikh abdullah, fatihah suja, nurina anuar, idris mushrifah.  (2013).  comparative performance of free surface and sub-surface flow systems in the phytoremediation of hydrocarbons using scirpus grossus.  - journal of environmental management.  130:324-330. 

israa abdulwahab albaldawi, siti rozaimah sheikh abdullah, nurina anuar, fatihah suja, mushrifah idris.  (2013).  performance assessment of pilot horizontal sub-surface flow constructed wetlands for removal of diesel from wastewater by scirpus grossus.  - water science and technology.  68(10):2271-2278. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin, noorhisham tan kofli, nurina anuar.  (2013).  simultaneous nh4+-n and mn2+ removal from drinking water using a biological aerated filter system: effects of different aeration rates.  - separation and purification technology.  118:547-556. 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, idris mushrifah, nurina anuar, hassan basri, muhammad mukhlisin.  (2013).  effect of applying rhizobacteria and fertilizer on the growth of ludwigia octovalvis for arsenic uptake and accumulation in phytoremediation.  - ecological engineering.  58:303-313. 

a. f. almansoory, m. idris, s. r. s. abdullah & n. anuar.  (2013).  propagation and phytoremediation preliminary test of ludwigia octavalvis (l.) and scirpus mucronatus (l.) in gasoline contaminated soil.  - research journal of environmental toxicology.  7(1):29-37. 

t. elshaarani, z. yaakob, m. d. khairul zaman, m. mohammad, s. r. s. abdullah.  (2012).  mechanical properties, morphology, flammability, and thermokinetic investigation of high-density polyethylene/jatropha deoiled cake composites.  - journal of applied polymer science.  E78-E88. 

ipung fitri purwanti, siti rozaimah sheikh abdullah, hassan basri, muhammad mukhlisin, mushrifah idris & mohd talib latif.  (2012).  identification of diesel-tolerant rhizobacteria of scirpus mucronatus.  - african journal of microbiology research.  6(10): 2395-2402. 

hassimi abu hasan, siti rozaimah sheikh abdullah, noorhisham tan kofli, siti kartom kamarudin.  (2012).  removal of nh4+-n ion in drinking water treatment using locally isolated heterotrophic nitrifier.  - desalination and water treatment.  50:294-301. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, abu bakar mohamad, rakmi abdul rahman, abdul amir h. kadhum.  (2012).  effect of hydraulic retention time (hrt) on pentachlorophenol (pcp) and cod removal in a pilot gac-sbbr system for the post-treatment of recycled paper mill wastewater.  - desalination and water treatment.  50-59. 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, mushrifah idris, nurina anuar, hassan basri and muhammad mukhlisin.  (2012).  arsenic range finding phytotoxicity test against ludwigia octovalvis as first step in phytoremediation.  - research journal of environmental toxicology.  6(4):151-159. 

siti nurul hunadia husin, abu bakar mohamad, siti rozaimah sheikh abdullah & nurina anuar.  (2012).  implementation of chemical health risk assessment in teaching laboratories.  - asian social science.  184-191. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin and noorhisham tan kofli.  (2012).  effective microbes for simultaneous bio-oxidation of ammonia and manganese in biological aerated filter system.  - bioresource technology.  124:355-363. 

liew weng hui, zahira yaakob, siti rozaimah sheikh abdullah.  (2012).  artificial neural network modeling and performance optimization on biodiesel production process.  - journal of applied sciences research.  8(9):4854-4864. 

marzieh badiei, jamaliah md jahim, nurina anuar, siti rozaimah sheikh abdullah, lim swee su, mohd aidil kamaruzzaman.  (2012).  microbial community analysis of mixed anaerobic microflora in suspended sludge of asbr producing hydrogen from palm oil mill effluent.  - international journal of hydrogen energy.  37(4):3169-3176. 

ooi chong hoe, siti rozaimah sheikh abdullah, norhisham tan kofli, mushrifah idris.  (2012).  analysis of plant and soil from alum sludge farm of drinking water treatment plant.  - research journal of environmental toxicology.  6(5):184-197. 

noorhisham tan kofli, syarifah najiha badar, norliza abd rahman, mohd shahbudin mastar & siti rozaimah sheikh abdullah.  (2012).  open ended laboratory (oel) assignment as tool imparting generic skills for engineering students.  - asian social science journal.  18(16):146-152. 

salmi nur ain sanusi, siti rozaimah sheikh abdullah & mushrifah idris.  (2012).  preliminary test of phytoremediation of hydrocarbon contaminated soil using paspalum vaginatum sw.  - australian journal of basic and applied sciences.  6(1):39-42. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, abu bakar mohamad, rakmi abdul rahman dan abdul amir hasan kadhum.  (2012).  performance evaluation of a granular activated carbon-sequencing batch biofilm reactor pilot plant system used in treating real wastewater from recycled paper industry.  - environmental technology.  915-926. 

mohd hafizuddin muhamad, siti rozaimah sheikh abdullah, abu bakar mohamad, rakmi abdul rahman and abdul amir hasan kadhum.  (2012).  kinetic evaluation and process performance of a pilot gac-sbbr system treating recycled paper industry wastewater.  - environmental engineering and management journal.  11(4): 829-839. 

hassimi abu hasan, siti rozaimah sheikh abdullah, noorhisham tan kofli, siti kartom kamarudin.  (2012).  isotherm equilibriums of mn2+ biosorption in drinking water treatment by locally isolated bacillus species and sewage activated sludge.  - journal of environmental management.  111:34-43. 

zahira yaakob, irwan sukma bin sukarman, binitha narayanan, siti rozaimah sheikh abdullah, manal ismail.  (2012).  utilization of palm empty fruit bunch for the production of biodiesel from jatropha curcas oil.  - bioresource technology.  104:695-700. 

masniroszaime mohd zain, noorhisham tan kofli and siti rozaimah sheikh abdullah.  (2011).  immobilised sarawak malaysia yeast cells for production of bioethanol.  - pakistan journal of biological sciences.  14(9):526-532. 

bieby voijant tangahu, siti rozaimah sheikh abdullah, hassan basri, mushrifah idris, nurina anuar and muhammad mukhlisin.  (2011).  a review on heavy metals (as, pb, and hg) uptake by plants through phytoremediation.  - international journal of chemical engineering.  2011:Art. ID 939161. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin and noorhisham tan kofli.  (2011).  response surface methodology for optimization of simultaneous cod, nh4+?n and mn2+ removal from drinking water by biological aerated filter.  - desalination.  275(1-3):50-61. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin and noorhisham tan kofli.  (2011).  problems of ammonia and manganese in malaysian drinking water treatments.  - world applied sciences journal.  12(10):1890-1896. 

siti norleela selamat, siti rozaimah sheikh abdullah and mushrifah idris.  (2011).  uptake of lead by melastoma malabathricum l. from contaminated soil.  - research journal of chemistry and environment.  15(2):1-5. 

m.m. zain, n.t. kofli and s.r.s. abdullah.  (2011).  bioethanol production by calcium alginate-immobilised st1 yeast system: effects of size of beads, ratio and concentration.  - the international islamic university malaysia engineering journal.  12(4):11-19. 

harmin sulistiyaning titah, nurina anuar, mushrifah idris, siti rozaimah sheikh abdullah, hassan basri & muhammad mukhlisin.  (2011).  isolation and screening of arsenic resistant rhizobacteria of ludwigia octovalvis.  - african journal of biotechnology.  10(81): 18695-18703. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin, noorhisham tan kofli.  (2011).  effect of organic carbon loading (ocl) on simultaneous nh4+-n and mn2+ removal in drinking water using a baf system.  - environmental engineering and management journal.  10(11):1733-1742. 

m.h. muhamad, s.r.s. abdullah, a.b. mohamad, r.a. rahman and a.a.h. khadum.  (2011).  treatment of adsorbable organic halides from recycled paper industry wastewater using a gac-sbbr pilot plant system.  - journal applied sciences.  11(13):2388-2393. 

siti rozaimah sheikh abdullah, mohd sobri takrif, abu bakar mohammad, noorhisham tan kofli, manal ismail, masturah markom.  (2011).  integrated project: comparative analysis of lecturers and students assessment of program outcomes.  - wseas transaction on advances in engineering education.  8(2): 31-52. 

bieby voijant tangahu, siti rozaimah sheikh abdullah, nurina anuar, mushrifah idris, hassan basri & muhammad mukhlisin.  (2011).  enhancement of caloric value of scirpus grossus after phytotoxicity test of lead (pb).  - revelation and science.  1(2): 46-51. 

israa abdul wahab albaldawi, fatihah suja, siti rozaimah sheikh abdullah & mushrifah idris.  (2011).  preliminary test of hydrocarbon exposure on salvinia molesta in phytoremediation process.  - revelation and science.  1(2): 52-56. 

marzieh badiei, jamaliah md jahim, nurina anuar, siti rozaimah sheikh abdullah.  (2011).  effect of hydraulic retention time on biohydrogen production from palm oil mill effluent in anaerobic sequencing batch reactor.  - international journal of hydrogen energy.  36(10):5912-5919. 

m. ansori nasution, z. yaakob, ehsan ali, s. m. tasirin dan s.r.s abdullah.  (2011).  electrocoagulation of palm oil mill effluent as wastewater treatment and hydrogen production using electrode aluminum.  - journal of environmental quality.  40(4):1332-13. 

h. a. hasan, s. r. s. abdullah, n. t. kofli and s. k. kamaruddin.  (2010).  biosorption of manganese in drinking water by isolated bacteria.  - journal of applied sciences.  10(21):2653-2657. 

m. n. satheesh kumar, zahira yaakob, siti maimunah, siddaramaiah, s. r. s. abdullah.  (2010).  synthesis of alkyd resin from non-edible jatropha seed oil.  - journal of polymers and the environment.  DOI:10.1007/s10924-010-. 

hassimi abu hasan, siti rozaimah sheikh abdullah, siti kartom kamarudin and noorhisham tan kofli.  (2010).  recognition of relevant orp, ph and do bending points in ammonia removal from drinking water through on-line baf system.  - international journal of chemical engineering.  2010:1-7. 

othman n., kamarudin s.k., yunus m.n.md., abdullah s.r.s., yaakob z..  (2009).  co2 production from degraded woods via a novel integrated pyrolysis-combustion process.  - journal of analytical and applied pyrolysis.  85(1-2):72-80. 

s.k.kamarudin, a.othman, z. yaakob, s. r.s. abdullah, a. zaharim.  (2009).  design of experiments: production of co2 from aquilariella malaccensis woods via pyrolysis-combustion process.  - wseas transactions on environment and development.  5(5):371-383. 

takriff, m. s., abdullah, s. r. s., tan kofli, n. h. & nordin, d.  (2007).  integrated delivery in chemical engineering education.  - world transaction on engineering and tecnology education.  6(2): 287-290.