Heo RJ, Ali R. Household Waste Separation and 3R Practice: Comparison Between the Urban and Rural Communities in Ipoh, Perak. peat [Internet]. 2024 Nov. 25 [cited 2026 Aug. 15];5(2):751-9. Available from: https://periodical.uthm.edu.my/index.php/peat/article/view/14378