Abdullah, DR. Mohd Firdaus, Arba'iyah Mohd Noor, and Azlizan Mat Enh. “Hydrological Legacies of Colonialism: Examining Water Systems in Perlis, Malaya (1909–1950)”. Journal of International Studies 19, no. 2 (August 30, 2023): 215–243. Accessed September 26, 2026. https://e-journal.uum.edu.my/index.php/jis/article/view/19750.