Ibrahim, M. H. (2013) “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”, Perspektif Jurnal Sains Sosial dan Kemanusiaan, 5(2), pp. 15–28. Available at: https://ejournal.upsi.edu.my/index.php/PERS/article/view/1634 (Accessed: 22 November 2024).