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. 

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. 

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. 

fairuz afiqah buslima, hassimi abu hasan, jahira alias, jaga sahsiny jaganathan, junaidah buhari, suriya vathi subramanian and siti rozaimah sheikh abdullah.  (2025).  performance of integrated biofilm-phytoremediation process in reclaiming water from domestic wastewater .  - water.  1 - 14. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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

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

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. 

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

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.  - .  .