HEO, Ruoh Jau; ALI, Roslinda. Household Waste Separation and 3R Practice: Comparison Between the Urban and Rural Communities in Ipoh, Perak. Progress in Engineering Application and Technology, [S. l.], v. 5, n. 2, p. 751–759, 2024. Disponível em: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/14378. Acesso em: 7 apr. 2026.