Noh, H Mohd, N H R Yahaya, G A Rodrigo, N A Abdul Rahman, M R Yusoff, J Othman, and F I Romli. “Sustainable Biofuel: Policy View for Commercial Aviation in Malaysia”. International Journal of Engineering and Technology 7, no. 4.13 (October 9, 2018): 225–228. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/22987.