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. 

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. 

nur ’izzati ismail, nurull muna daud, siti rozaimah sheikh abdullah, nur farisya hana mohd farikh, ahmad razi othman, setyo budi kurniawan, hassimi abu hasan.  (2025).  kinetics of iron and aluminum biosorption by native isolated rhizobacteria and their potential for future advancement in bioremediation.  - journal of water process engineering.  1 - 11. 

nur nadhirah ramli, ahmad razi othman, nor sakinah mohd said, jahira alias, siti rozaimah sheikh abdullah, hassimi abu hasan, nur ‘izzati ismail, setyo budi kurniawan.  (2025).  chromium reduction by indigenous bacillus sp. isolate s1: optimal performance, characterization, and pathway.  - international journal of environmental science and technology.  15045 - 15056. 

nurull muna daud, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, noorashikin md salleh, nor sakinah mohd said, nur 'izzati ismail.  (2025).  correlating plant-to-pollutant mass ratio in phytotreating batik industry effluent using actinoscirpus grossus.  - water resources and industry.  1 - 16. 

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. 

abdussamad abubakar, motharasan manogaran, nur adeela yasid, ahmad razi othman, mohd yunus abd shukor.  (2023).  equilibrium, kinetic and thermodynamic studies of the adsorption of trypan blue dye by pseudomonas sp. strain mm02 inactivated biomass.  - korean journal of chemical engineering.  1928-1953. 

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. 

nur raihan ahmad nahrawi, wei lun ang, ebrahim mahmoudi, ahmad razi othman, abdul wahab mohammad.  (2026).  bioaugmented graphene sand composite for manganese and pollutants removal in groundwater.  - groundwater for sustainable development.  1 - 15. 

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. 

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. 

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. 

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. 

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. 

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. 

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.  - .  . 

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.  - .  .