Mohd Firdaus Abdullah, and Arba’iyah Mohd Noor. “Pembangunan Bekalan Air Domestik Di Negeri Kedah, 1957–1992 The Development of Domestic Water Supply in Kedah, 1957–1992”. Kajian Malaysia 38, no. 1 (April 30, 2020): 89–113. Accessed July 26, 2026. https://ejournal.usm.my/km/article/view/km_vol38-no-1-2020_5.