MD HUZIR, Nurhamieza; AMIN, Azlan Nur Rasyid; TAMUNAIDU, Pramila; VADIVELU, Yogeswary. Sustainable Biodiesel Production from Waste Cooking Oil Using Diatomite as a Catalyst. International Journal of Integrated Engineering, [S. l.], v. 17, n. 4, p. 229–242, 2025. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/20377. Acesso em: 9 apr. 2026.