1.
Mohd Firdaus Abdullah, Arba’iyah Mohd Noor. Pembangunan Bekalan Air Domestik di Negeri Kedah, 1957–1992 The Development of Domestic Water Supply in Kedah, 1957–1992. km. 2020;38(1):89–113. doi:10.21315/km2020.38.1.5