Ibrahim MH. Aktiviti Antropogenik dan Kesannya Terhadap Perubahan Landskap Permukaan: Satu Kajian Observasi di Ipoh, Perak, Malaysia: Anthropogenic Activities and Their Effects on Surface Landscape: An Observation Study in Ipoh, Perak, Malaysia. PERS [Internet]. 2013 Nov. 4 [cited 2024 Apr. 30];5(2):15-28. Available from: https://ejournal.upsi.edu.my/index.php/PERS/article/view/1634