Artikah Muhammad Shahrin, Nur, Noor Aziah Serri, Noor Hana Hanif Abu Bakar, and . . “Crude Glycerol for Monoolein Production Using Nanotubes Supported Lipase”. International Journal of Engineering and Technology 7, no. 4.14 (December 24, 2019): 493–497. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/27776.