Rasyidi, D. and Ibrahim, T.D.A. binti I. (2023) “Effect of Infusion Duration of Pandan Leaves with Waste Cooking Oil in Soap Making Process”, Progress in Engineering Application and Technology, 4(1), pp. 749–757. Available at: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/10430 (Accessed: 18 July 2024).