Fareez Zulhaqeem Zahadi, Syamir Syakirin Yahya, and Siti Noraiza Ab Razak, “Conversion of Waste Cooking Oil into Biodiesel”, MARI, vol. 3, no. 5, pp. 36–42, Jan. 2023, Accessed: May 17, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/8690