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. 

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. 

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).  removal of ibuprofen and paracetamol by rhizobacteria from roots of scirpus grossus exposed to a synthetic mix in constructed wetlands .  - water.  1 - 19. 

siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur ‘izzati ismail, azmi fadziyana mansor, islam j.k. elhabil.  (2025).  bioaugmented phytoremediation with biosurfactant producing rhizobacteria for enhanced hydrocarbon removal.  - journal of environmental chemical engineering.  1 - 14. 

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. 

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. 

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 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. 

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. 

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. 

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. 

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

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.  - .  . 

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.  - .  . 

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.  - .  .