salmi nur ain sanusi, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail, ahmad razi othman, nor sakinah mohd said, radhiatul atiqah ramli shah.  (2026).  utilizing freeze-dried moringa oleifera leaf extract as a novel biocoagulant for aquaculture wastewater treatment: characterization, mechanism, and optimization.  - aquaculture international.  1 - 29. 

ameer hussain, israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, reem jalal channo, yassien hazim abbas, hassimi abu hasan, nur ‘izzati ismail.  (2026).  optimization of natural coagulants to treat aquaculture industry effluent.  - water, air, & soil pollution.  1 - 13. 

junaidah buhari, hassimi abu hasan, setyo budi kurniawan, nur atiqah marsidi, nurull muna daud, ahmad razi othman, siti rozaimah sheikh abdullah, masli irwan rosli.  (2026).  unveiling the performance and mechanistic insights of hybrid phyto-biofilm reactor for domestic wastewater treatment.  - journal of water process engineering.  1 - 14. 

mohammad mohammad alnawajha, setyo budi kurniawan, siti rozaimah sheikh abdullah, ahmad razi othman, hajjar hartini wan jusoh, azimah ismail, hassimi abu hasan.  (2025).  water vs. salt extraction of bio-coagulant from leucaena leucocephala pods for removing turbidity from aquaculture effluent.  - journal of the indian chemical society.  1 - 7. 

saja radhi nayyef alanbary, siti rozaimah sheikh abdullah, israa abdulwahab al-baldawi, hassimi abu hasan, nurina anuar, ahmad razi othman, fatihah suja’, nur ‘izzati ismail, siti shilatul najwa sharuddin.  (2025).  assessing phytotoxicity of sand contaminated with petroleum hydrocarbons on phragmites karka.  - international journal of environmental science and technology.  6545 - 6556. 

hassan majeed hameed, haidar hasan mohammed, amjad w. dhuyool, adnan a. abdulrazak, khalid t. rashid, oleksandr skrylnyk, mohammed ahmed shehab, mohammed faleh abd al-ogaili, mohammad m. abed, alhafadhi mahmood, siti rozaimah sheikh abdullah.  (2025).  lab-scale sequencing batch reactor online monitoring and control for biological treatment of synthetic wastewater.  - desalination and water treatment.  1 - 10. 

yavinash muralee tharan, ahmad razi othman, nur nadhirah ramli, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail.  (2025).  penguraian sisa pepejal dengan menggunakan kulat aspergillus fumigatus terpegun (decomposition of solid waste using immobilised fungi aspergillus fumigatus) .  - sains malaysiana.  2367 - 2376. 

yavinash muralee tharan, ahmad razi othman, nur nadhirah ramli, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail.  (2025).  penguraian sisa pepejal dengan menggunakan kulat aspergillus fumigatus terpegun (decomposition of solid waste using immobilised fungi aspergillus fumigatus) .  - sains malaysiana.  2367 - 2376. 

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. 

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. 

salmi nur ain sanusi, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail, ahmad razi othman, nor sakinah mohd said, radhiatul atiqah ramli shah.  (2026).  utilizing freeze-dried moringa oleifera leaf extract as a novel biocoagulant for aquaculture wastewater treatment: characterization, mechanism, and optimization.  - aquaculture international.  1 - 29. 

ameer hussain, israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, reem jalal channo, yassien hazim abbas, hassimi abu hasan, nur ‘izzati ismail.  (2026).  optimization of natural coagulants to treat aquaculture industry effluent.  - water, air, & soil pollution.  1 - 13. 

sajjad hatim kadhim, asia fadhile almansoory, israa abdulwahab al-baldawi, siti rozaimah sheikh abdullah, karima f. abbas, muhammad fauzul imron and setyo budi kurniawan.  (2026).  optimization of coagulation–flocculation treatment for fish farm effluent using green coagulants and recovery of the produced sludge.  - environments.  1 - 13. 

junaidah buhari, hassimi abu hasan, setyo budi kurniawan, nur atiqah marsidi, nurull muna daud, ahmad razi othman, siti rozaimah sheikh abdullah, masli irwan rosli.  (2026).  unveiling the performance and mechanistic insights of hybrid phyto-biofilm reactor for domestic wastewater treatment.  - journal of water process engineering.  1 - 14. 

zahraa hasan mutar, siti rozaimah sheikh abdullah, israa abdulwahab al-baldawi.  (2025).  flocculating suspended solids in palm oil mill effluent using leucaena leucocephala extract: performance, kinetics and characterization of the recovered sludge.  - clean technologies and environmental policy.  6741 - 6755. 

siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, & israa abdulwahab al-baldawi.  (2024).  enhanced removal of hydrocarbons from crude oil sludge through phytoremediation with biosurfactant-producing rhizobacteria.  - iop conf. series: earth and environmental science.  1-9. 

nor sakinah mohd said, siti rozaimah sheikh abdullah & nur izzati ismail.  (2024).  discovering potential of different parts of moringa oleifera plants as clarifying agent in coffee effluent treatment..  - iop conf. series: earth and environmental science.  1-6. 

zahraa hasan mutar, israa abdulwahab al-baldawi, ahmed a. mohammed, husam kareem hameed, siti rozaimah sheikh abdullah, nur izzati ismail.  (2023).  efficacy of phytoremediation for methylparaben removal from contaminated water: a study by alternanthera spp and associated rhizobacteria.  - iop conf. series: earth and environmental science 1215 (2023) 012002 iop publishing.  1-11. 

aliya mohamad ros, f. n.; rahman, norliza abd; ali, jarinah mohd; anuar, nurina; abdullah, siti rozaimah bt. sheikh; jusoh yusoff, amir fazlim bin.  (2020).  comparative study between avian cell and mammalian cell in production of influenza vaccine shariah compliance.  - iop conference series: materials science and engineering.  1-6. 

muhammad said, muneer ba-abbad, siti rozaimah sheikh abdullah, abdul wahab mohammad.  (2018).  artificial neural network (ann) for optimization of palm oil mill effluent (pome) treatment using reverse osmosis membrane.  - journal of physics: conference series.  . 

rustiana yuliasni, setyo budi kurniawan, abdukeremu kadier, siti rozaimah sheikh abdullah, peng cheng ma, bekti marlena, nanik indah setianingsih, dongsheeng song, ali moertopo simbolon.  (2023).  application and major challenges of microbial bioremediation of oil spill in various environments.  - .  299-320. 

roszilah hamid, nuraini katimin, siti rozaimah sheikh abdullah, mohd. huzairi johari & norhana arsad.  (2021).  amalan terbaik pengajaran dan pembelajaran pendidikan kejuruteraan dan alam bina.  - .  19-34. 

mohd shahbudin masdar, noorhisham tan kofli, darman nordin, norliza abd. rahman, siti rozaimah sheikh abdullah.  (2021).  program chem e car membentuk graduan berkualiti.  - .  120-150. 

hind m. ewadh, siti r. sheikh abdullah, nurina anuar.  (2020).  the effect of ozonation by-products on human embryonic kidney cells (hek293): ozone as wastewater treatment tool.  - lecture notes in civil engineering, 53.  671-683. 

noorhisham tan kofli, darman nordin, mohd shahbudin masdar, siti rozaimah sheikh abdullah.  (2019).  measuring programme outcomes in chemical engineering education through integrated project (ip).  - siri 9.  74-82. 

yavinash muralee tharan, ahmad razi othman, nur nadhirah ramli, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail.  (2025).  penguraian sisa pepejal dengan menggunakan kulat aspergillus fumigatus terpegun (decomposition of solid waste using immobilised fungi aspergillus fumigatus) .  - sains malaysiana.  2367 - 2376. 

setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan.  (2025).  biopenggumpal berasaskan bakteria pemerolehan pepejal kaya nutrien dalam industri akuakultur.  - .  . 

mai zainatun nufus, siti rozaimah sheikh abdullah.  (2025).  teknologi hijau - rawatan air sisa toksik perindustrian menggunakan tumbuhan tempatan.  - majalah sains.  . 

yavinash muralee tharan, ahmad razi othman, nur nadhirah ramli, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail.  (2025).  penguraian sisa pepejal dengan menggunakan kulat aspergillus fumigatus terpegun (decomposition of solid waste using immobilised fungi aspergillus fumigatus) .  - sains malaysiana.  2367 - 2376. 

junaidah buhari, hassimi abu hasan, siti rozaimah sheikh abdullah.  (2025).  rawatan air sisa domestik: gabungan bakteria dan keladi bunting.  - .  . 

nur `izzati binti ismail ,rozaimah @ siti rozaimah binti sheikh abdullah ,ahmad razi bin othman .  (2026).  prestasi, kinetik dan mekanisme biojerapan serentak besi (fe) dan aluminium (al) oleh rizobakteria berketahanan tinggi daripada medium tercemar fe-al.  - .  . 

nur `izzati binti ismail ,rozaimah @ siti rozaimah binti sheikh abdullah ,ahmad razi bin othman .  (2026).  prestasi, kinetik dan mekanisme biojerapan serentak besi (fe) dan aluminium (al) oleh rizobakteria berketahanan tinggi daripada medium tercemar fe-al.  - .  . 

nur `izzati binti ismail ,rozaimah @ siti rozaimah binti sheikh abdullah ,ahmad razi bin othman .  (2026).  prestasi, kinetik dan mekanisme biojerapan serentak besi (fe) dan aluminium (al) oleh rizobakteria berketahanan tinggi daripada medium tercemar fe-al.  - .  . 

ahmad razi bin othman ,rozaimah @ siti rozaimah binti sheikh abdullah ,noorashikin binti md saleh ,nur `izzati binti ismail ,nur nadhirah binti ramli .  (2026).  pencirian dan potensi biosurfaktan dari rizobakteria tempatan terpilih dalam perolehan semula minyak daripada enap cemar petroleum.  - .  . 

ahmad razi bin othman ,rozaimah @ siti rozaimah binti sheikh abdullah ,noorashikin binti md saleh ,nur `izzati binti ismail ,nur nadhirah binti ramli .  (2026).  pencirian dan potensi biosurfaktan dari rizobakteria tempatan terpilih dalam perolehan semula minyak daripada enap cemar petroleum.  - .  .