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moneer alrashidi, darfizzi derawi, jumat salimon, mohamad firdaus yusoff.  (2020).  an investigation of physicochemical properties of nigella sativa l. seed oil from al-qassim by different extraction methods.  - journal of king saud university.  3337-3342. 

murad bahadi, mohamad firdaus yusoff, jumat salimon, darfizzi derawi.  (2019).  optimization of response surface methodology by d-optimal design for synthesis of food-grade palm kernel based biolubricant.  - industrial crops and products.  1-12. 

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moneer alrashidi, darfizzi derawi, jumat salimon, mohamad firdaus yusoff.  (2020).  an investigation of physicochemical properties of nigella sativa l. seed oil from al-qassim by different extraction methods.  - journal of king saud university.  3337-3342. 

murad bahadi, mohamad firdaus yusoff, jumat salimon, abd al-wali japir, darfizzi derawi.  (2019).  optimization of low-temperature methanol crystallization for unsaturated fatty acids separation from crude palm fatty acids mixture using response surface methodology.  - asian journal of chemistry.  1617-1625. 

murad bahadi, mohamad firdaus mohamad yusoff, jumat salimon, majd ahmed jumaah and darfizzi derawi.  (2019).  physicochemical characteristics of malaysian crude palm kernel oil.  - malaysian journal of chemistry.  17-27. 

murad bahadi, mohamad firdaus yusoff, jumat salimon, darfizzi derawi.  (2019).  optimization of response surface methodology by d-optimal design for synthesis of food-grade palm kernel based biolubricant.  - industrial crops and products.  1-12. 

m. ili afiqah, yusri zulkafli, norinsan kamil othman, azwan lazim,wan nur aini wan mokhtar, mohd firdaus mohd yusoff.  (2019).  temperature effects toward corrosion rate of carbon and mild steel using red palm oil as natural corrosion inhibitor.  - malaysian journal of chemistry.  64-70. 

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rizafizah binti othaman;yang farina abdul aziz;rusli bin daik;siti fadzilah binti mat noor;nor fauziana binti abdul aziz;nasharuddin bin zainal;azizah binti baharum @ abdul aziz;siti aishah binti hasbullah;arnida hani binti teh;faridah binti yunus;nur has.  (2018).  pembangunan dana wakaf kem sains ukm.  - .  . 

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