nurull muna daud, siti rozaimah sheikh abdullah, siti shilatul najwa sharuddin, ahmad razi othman, hassimi abu hasan, noorashikin md salleh, nur ’izzati ismail.  (2025).  bioaugmentation of klebsiella pneumoniae isolate m1 in a continuous sequential phytoreactor integrating scirpus grossus and eichhornia crassipes plants for batik effluent treatment.  - journal of water process engineering.  1 - 18. 

nur ’izzati ismail, nurull muna daud, siti rozaimah sheikh abdullah, ahmad razi othman, nur nadhirah ramli, israa abdulwahab al-baldawi, islam j k elhabil, hassimi abu hasan.  (2025).  resistant rhizobacteria of native plant for simultaneous iron and aluminum removal from synthetic mining wastewater and its future potential for phytoremediation development.  - process safety and environmental protection.  1 - 13. 

ahmad razi othman, muhammad fauzul imron, nur ‘izzati ismail, mohd aidil kamaruzzaman, siti rozaimah sheikh abdullah, israa abdulwahab al-baldawi, setyo budi kurniawan, hajjar hartini wan jusoh, azimah ismail and hassimi abu hasan.  (2025).  biosorption of hexavalent chromium in aqueous solution by bacillus cereus.  - environmental technology & innovation.  1 - 11. 

setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman and hassimi abu hasan.  (2025).  achieving a biocircular economy in the aquaculture sector through waste valorization.  - toxics.  1 - 30. 

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. 

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. 

muhammad farhan hil me, wei lun ang, ahmad razi othman, abdul wahab mohammad, ahmad afiq arshad nasharuddin, alijah mohd aris, bee chin khor, swee su lim.  (2024).  assessment of the microbial electrochemical sensor (sentry) as a potential wastewater quality monitoring tool for common pollutants found in malaysia.  - environmental monitoring and assessment.  1-16. 

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. 

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. 

ain aqilah basirun, ahmad razi othman, nur adeela yasid, mohd izuan effendi halmi, baskaran gunasekaran & mohd yunus abd shukor.  (2023).  adsorption kinetics, equilibrium, and thermodynamic studies to understand adsorption behavior of evans blue dye by durian husk.  - korean journal of chemical engineering.  1440-1456. 

yuqiang zhao, ahmad razi othman, nur ‘izzati ismail & wenlai xu.  (2025).  optimizing ammonia nitrogen removal from hospital effluent using a bacteria-algae consortium.  - jurnal kejuruteraan.  647 - 656. 

nurull muna daud, siti rozaimah sheikh abdullah, siti shilatul najwa sharuddin, ahmad razi othman, hassimi abu hasan, noorashikin md salleh, nur ’izzati ismail.  (2025).  bioaugmentation of klebsiella pneumoniae isolate m1 in a continuous sequential phytoreactor integrating scirpus grossus and eichhornia crassipes plants for batik effluent treatment.  - journal of water process engineering.  1 - 18. 

setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman and hassimi abu hasan.  (2025).  achieving a biocircular economy in the aquaculture sector through waste valorization.  - toxics.  1 - 30. 

siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur ‘izzati ismail.  (2025).  enhancing the yield of biosurfactant production from hydrocarbon-degrading rhizobacteria.  - journal of the indian chemical society.  1 - 13. 

osama abrahiem al falahi, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, hind mufeed ewadh, nur 'izzati ismail, muhammad fauzul imron, setyo budi kurniawan.  (2025).  identification and degradation of ibuprofen and paracetamol by rhizobacteria from roots of scirpus grossus exposed to synthetic mix in constructed wetlands.  - water.  1 - 19. 

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. 

nurul alia nabilah dzolkifle, ammar akmal zuhdi ramli,ruhan asyrani rosli, siti nurnafisah mohd zuraidi, mohd. faez sharif, ahmad razi othman and zakuan azizi shamsul harumain.  (2022).  the potential of silica from rice husk ash on removal of sulphide in wastewater.  - aip conference proceedings.  1-7. 

siti fatin mohd razali, norhana arsad, norngainy mohd tawil, ahmad razi othman, nizaroyani saibani & aqilah baseri huddin.  (2020).  pendidikan keusahawanan 4ir: gamifikasi.  - siri 10.  1-11. 

wan nur farah ain wan di, farah arina abdul, ahmad razi othman, noor liyana sukiran.  (2025).  kesan penyebuan biji benih oleh bacillus spp terhadap percambahan dan pertumbuhan anak benih ukmrc2 di bawah tekanan abiotik.  - undergraduate research journal for biological sciences & biotechnology.  69 - 76. 

nur nadia bachok, norhafizah burham, ahmad razi othman, nurul huda abdul karim, ahmad ashrif a. bakar, mohd hadri hafiz mokhtar & norhana arsad.  (2025).  pencirian optik dalam cecair indeks bias menggunakan penderia gentian optik tirus: pendekatan gabungan simulasi dan eksperimen.  - jurnal kejuruteraan.  2817 - 2828. 

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. 

noorhisham tan kofli, abbas ismail, ahmad razi othman, yuliana yuhana dan rosiah rohani.  (2025).  student activities: naces2024 as a comprehensive approach to student skills development.  - program book international conference on engineering and built environment education.  74 - 74. 

azmi ahmad, siti rozaimah sheikh abdullah & ahmad razi othman.  (2024).  industri akuakultur potensi penghasilan biobaja.  - .  . 

siti rozaimah bt. sheikh abdullah;babul airianah binti othman;noorashikin binti md saleh;ahmad razi bin othman.  (2024).  pemulihgunaan enapcemar dan biopepejal kaya nutrien dari efluen industri kopi sebagai perapi tanah ke arah inisiatif ekonomi kitaran.  - .  . 

ang wei lun;abdul wahab bin mohammad;lim swee su;ahmad razi bin othman.  (2024).  commissioning and performance of biosensor probe for wastewater monitoring.  - .  . 

islam j k elhabil, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail.  (2024).  potential of phytoremediation in alleviating microplastic pollution in wastewater.  - 2024 13th international conference on chemistry and chemical process.  xx. 

muhamaad razis ismail.  (2024).  inovasi lonjak petani.  - harian metro.  . 

siti rozaimah bt. sheikh abdullah;nurina bt. anuar;hassimi bin abu hasan;noorashikin binti md saleh;ahmad razi bin othman;nur `izzati binti ismail.  (2023).  interaction of mycorrhizal fungi and native emergent plants in co-phytoremediation of hydrocarbon contaminated sludge.  - .  .