Rasyidi D, Ibrahim TDA binti I. Effect of Infusion Duration of Pandan Leaves with Waste Cooking Oil in Soap Making Process. peat [Internet]. 2023 May 25 [cited 2024 Jul. 18];4(1):749-57. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/10430