RENU YASHWINI BASKARAN, Ali, R. and Mashori, S. (2026) “Community-Based Waste Cooking Oil (WCO) Soap-Making for Environmental Awareness and Economic Stability in Labis, Johor”, Progress in Engineering Application and Technology, 7(1), pp. 46–54. Available at: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/22877 (Accessed: 23 July 2026).