hassimi abu hasan, mohd hafizuddin muhamad, bin ji, nur aisyah nazairi, koh weng jiat, saffi irdina sim wan azlan sim, amir fitri muhammad shafiq poh.  (2023).  revolutionizing wastewater treatment with microalgae: unveiling resource recovery, mechanisms, challenges, and future possibilities.  - ecological engineering.  1-25. 

hassimi abu hasan, mohd hafizuddin muhamad, setyo budi kurniawan, junaidah buhari and osama husain abuzeyad.  (2023).  managing bisphenol a contamination: advances in removal technologies and future prospects.  - water.  1-34. 

maryam zulkifli, hassimi abu hasan, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad.  (2022).  a review of ammonia removal using a biofilm-based reactor and its challenges.  - journal of environmental management.  1-24. 

siti nur hatika abu bakar, hassimi abu hasan, abdul wahab mohammad, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad.  (2022).  interactions between operating parameters of moving bed biofilm reactors in treating palm oil mill effluent.  - process safety and environmental protection.  567-575. 

hassimi abu hasan, dheenesh sai annanda shanmugam, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad, and setyo budi kurniawan.  (2022).  potential of using dual-media biofilm reactors as a real coffee industrial effluent pre-treatment.  - water.  1-19. 

muhammad faidsyafiq othman, hassimi abu hasan, mohd hafizuddin muhamad, badiea s. babaqi.  (2023).  biopolishing of domestic wastewater using polyvinyl alcohol-supported biofilm of bacterial strain bacillus velezensis isolate jb7.  - journal of ecological engineering.  33-42. 

hassimi abu hasan, mohd hafizuddin muhamad, bin ji, nur aisyah nazairi, koh weng jiat, saffi irdina sim wan azlan sim, amir fitri muhammad shafiq poh.  (2023).  revolutionizing wastewater treatment with microalgae: unveiling resource recovery, mechanisms, challenges, and future possibilities.  - ecological engineering.  1-25. 

hassimi abu hasan, mohd hafizuddin muhamad, setyo budi kurniawan, junaidah buhari and osama husain abuzeyad.  (2023).  managing bisphenol a contamination: advances in removal technologies and future prospects.  - water.  1-34. 

siti nur hatika abu bakar, hassimi abu hasan, abdul wahab mohammad, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad.  (2022).  interactions between operating parameters of moving bed biofilm reactors in treating palm oil mill effluent.  - process safety and environmental protection.  567-575. 

hassimi abu hasan, dheenesh sai annanda shanmugam, siti rozaimah sheikh abdullah, mohd hafizuddin muhamad, and setyo budi kurniawan.  (2022).  potential of using dual-media biofilm reactors as a real coffee industrial effluent pre-treatment.  - water.  1-19. 

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

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

mohd hafizuddin muhamad, nur izzati ismail.  (2024).  fitopemulihan: potensi tumbuhan dalam mengurangkan pencemaran di lebuh raya.  - dewan bahasa dan pustaka (dbp).  14-17.