1.
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. 2013;5(2):15-28. Accessed December 5, 2025. https://ejournal.upsi.edu.my/index.php/PERS/article/view/1634