[1]
N. A. A. M. Kamal and S. A. Ibrahim, “Producing a Liquid Soap by Adding Lemon Extract from Used Cooking Oil for Multipurpose Cleaning Use”, rpmme, vol. 5, no. 1, pp. 378–386, Oct. 2024, Accessed: Mar. 12, 2026. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/16803