N. M. Mohd Zulwazi, N. A. Azmi, and A. A. Nawi, “Dishwashing Soap from Waste Cooking Oil”, MARI, vol. 4, no. 2, pp. 215–220, Jan. 2023, Accessed: May 05, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/9056