benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan and nor azman kasan.  (2023).  a study on the effects of interfering with the conventional sequential protocol for chemical isolation and characterization of chitosan from biowaste of giant freshwater prawn macrobrachium rosenbergii.  - heliyon.  1-19. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan, nor azman kasan.  (2023).  response surface methodology (rsm) approach to optimization of coagulation-flocculation of aquaculture wastewater treatment using chitosan from carapace of giant freshwater prawn macrobrachium rosenbergii.  - polymers.  1-27. 

nor sakinah mohd said, siti rozaimah sheikh abdullah, nur izzati ismail, hassimi abu hasan, ahmad razi othman.  (2023).  integrating treatment processes of coffee processing mill effluent for reclamation of secondary resources.  - journal of cleaner production.  1-18. 

amina a. owodunni, suzylawati ismail, setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2023).  a review on revolutionary technique for phosphate removal in wastewater using green coagulant.  - journal of water process engineering.  1-12. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hasan, nor azman kasan.  (2023).  optimization of chitosan coagulant from dry legs of giant freshwater prawn, macrobrachium rosenbergii in aquaculture wastewater treatment using response surface methodology (rsm).  - journal of environmental chemical engineering.  1-16. 

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. 

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. 

fayeq abdel hafez al-ajalin, siti rozaimah sheikh abdullah, mushrifah idris, setyo budi kurniawan, nur nadhirah ramli, muhammad fauzul imron.  (2022).  removal of ammonium, phosphate and cod by endophytic bacteria isolated from the root system of lepironia articulata (retz.) domin and scirpus grossus l..  - international journal of environmental science and technology.  11893-11904. 

muhammad fauzul imron, setyo budi kurniawan, and siti rozaimah sheikh abdullah.  (2021).  resistance of isolated bacteria from leachate to heavy metals and removal of mercury (hg) by pseudomonas aeruginosa strain fz-2 under different salinity levels in batch biosorption system.  - sustainable environment research.  1-13. 

hind munaem ahmed, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur izzati ismail, setyo budi kurniawan.  (2021).  phytotoxicity of coffee wastewater to water hyacinth as prior step to phytotreatment assessment: influence of concentration and amount of plant biomass.  - environmental engineering and management journal.  317-328. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan and nor azman kasan.  (2023).  a study on the effects of interfering with the conventional sequential protocol for chemical isolation and characterization of chitosan from biowaste of giant freshwater prawn macrobrachium rosenbergii.  - heliyon.  1-19. 

benedict terkula iber, donald torsabo, che engku noramalina che engku chik, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan, nor azman kasan.  (2023).  response surface methodology (rsm) approach to optimization of coagulation-flocculation of aquaculture wastewater treatment using chitosan from carapace of giant freshwater prawn macrobrachium rosenbergii.  - polymers.  1-27. 

nor sakinah mohd said, siti rozaimah sheikh abdullah, nur izzati ismail, hassimi abu hasan, ahmad razi othman.  (2023).  integrating treatment processes of coffee processing mill effluent for reclamation of secondary resources.  - journal of cleaner production.  1-18. 

benedict terkula iber, donald torsabo, chik che engku noramalina che engku, fachrul wahab, siti rozaimah sheikh abdullah, hassimi abu hassan, nor azman kasan.  (2023).  a study on the recovery and characterization of suspended solid from aquaculture wastewater through coagulation/flocculation using chitosan and its viability as organic fertilizer.  - journal of agriculture and food research.  1-10. 

amina a. owodunni, suzylawati ismail, setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah.  (2023).  a review on revolutionary technique for phosphate removal in wastewater using green coagulant.  - journal of water process engineering.  1-12. 

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.  . 

harmin sulistiyaning titah, siti rozaimah sheikh abdullah, mushrifah idris, nurina anuar, hassan basri & muhammad mukhlisin.  (2013).  ratio of plant numbers to total mass of contaminant determines the phytotoxicity effects.  - proceedings of the 7th international conference on energy and development, environment and biomedicine 2013 (edeb `13), cambridge, massachusets, usa.  . 

norliza abd. rahman and siti rozaimah sheikh abdullah.  (2013).  assessment tool of course learning outcomes for mechanical design of process equipment.  - procedia social and behavioral sciences - 6th international forum on engineering education (ifee 2012).  . 

nadya hussin al-sbani, siti rozaimah sheikh abdullah, nur izzati ismail.  (2022).  phytotechnology: potential malaysian plants as remediation agent.  - .  227. 

siti shilatul najwa binti sharuddin, siti rozaimah sheikh abdullah, ahmad razi othman.  (2022).  gabungan fitoteknologi dan biosurfaktan ke arah peningkatan kualiti alam sekitar.  - .  136. 

azlin abd kadir, siti rozaimah sheikh abdullah, babul airianah othman.  (2022).  kiambang itik kecil tapi bermanfaat agen fitoremediasi dan sumber makanan ternakan.  - .  281. 

omar hamed omar jehawi, siti rozaimah sheikh abdullah, nur izzati ismail.  (2022).  hybrid reed beds: application and performance for wastewater treatment.  - .  197. 

roszilah hamid, nuraini katimin, siti rozaimah sheikh abdullah, mohd. huzairi johari & norhana arsad.  (2021).  pendidikan kejuruteraan sederap ke hadapan.  - .  16. 

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).  sustainable materials (volume 1), bioremediation for environmental pollutants.  - .  33. 

mohd shahbudin masdar, noorhisham tan kofli, darman nordin, norliza abd. rahman, siti rozaimah sheikh abdullah.  (2021).  pendidikan kejuruteraan sederap ke hadapan.  - .  30. 

roszilah hamid, nuraini katimin, siti rozaimah sheikh abdullah, mohd. huzairi johari & norhana arsad.  (2021).  pendidikan kejuruteraan sederap ke hadapan.  - .  16. 

hind m. ewadh, siti r. sheikh abdullah, nurina anuar.  (2020).  proceedings of aicce'19: transforming the nation for a sustainable tomorrow.  - .  13. 

noorhisham tan kofli, darman nordin, mohd shahbudin masdar, siti rozaimah sheikh abdullah.  (2019).  kurikulum & instruksi (curriculum & instruction). siri 9.  - .  9. 

nadya hussin al-sbani, siti rozaimah sheikh abdullah, nur izzati ismail.  (2022).  phytotechnology: potential malaysian plants as remediation agent.  - .  227. 

siti shilatul najwa binti sharuddin, siti rozaimah sheikh abdullah, ahmad razi othman.  (2022).  gabungan fitoteknologi dan biosurfaktan ke arah peningkatan kualiti alam sekitar.  - .  136. 

azlin abd kadir, siti rozaimah sheikh abdullah, babul airianah othman.  (2022).  kiambang itik kecil tapi bermanfaat agen fitoremediasi dan sumber makanan ternakan.  - .  281. 

omar hamed omar jehawi, siti rozaimah sheikh abdullah, nur izzati ismail.  (2022).  hybrid reed beds: application and performance for wastewater treatment.  - .  197. 

mohd hafizuddin muhamad, hassimi abu hasan, siti rozaimah sheikh abdullah.  (2021).  rawatan sisa kilang kertas.  - .  181. 

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.  - .  . 

hassimi bin abu hasan;noorhisham bin tan kofli;siti rozaimah bt. sheikh abdullah;ahmad razi bin othman.  (2023).  analisis sifat fiziko-kimia dan kinetik penghasilan bioflokulan polimerik oleh bakteria penghasil-bioflokulan asli sebagai alternatif kepada flokulan kimia dalam rawatan air.  - .  . 

ahmad razi bin othman;nurina bt. anuar;siti rozaimah bt. sheikh abdullah;hassimi bin abu hasan.  (2022).  understanding chromium reduction metabolism pathway by malaysian soil bacteria for enhancing bioremediation process.  - .  . 

siti rozaimah bt. sheikh abdullah;babul airianah binti othman;hassimi bin abu hasan;noorashikin binti md saleh;ahmad razi bin othman;nur `izzati binti ismail.  (2022).  biopenggilapan air sisa industri minyak kelapa sawit (pome) terawat menggunakan azolla pinnata dan lemna minor bagi penghasilan makanan ternakan.  - .  . 

f. a. buslima, h. abu hasan, s. sundram, s. r. s., abdullah.  (2022).  hybrid biofilm reactor for micropollutant removal.  - 6th international conference of chemical engineering and industrial biotechnology 2022.  537-539.