RENU YASHWINI BASKARAN; ALI, Roslinda; MASHORI, Sumaiya. Community-Based Waste Cooking Oil (WCO) Soap-Making for Environmental Awareness and Economic Stability in Labis, Johor. Progress in Engineering Application and Technology, [S. l.], v. 7, n. 1, p. 46–54, 2026. Disponível em: https://periodical.uthm.edu.my/index.php/peat/article/view/22877. Acesso em: 15 aug. 2026.