M. A. Zainal Abidin, Y. Saleh, and N. Nayan, “Pembentukan Indikator Kesihatan Penduduk Bandar dalam Wilayah Metropolitan Lembah Klang-Langat: An Establishment of Urban Population Health Indicators in Langat-Klang Valley Metropolitan Region”, GEOG, vol. 2, no. 2, pp. 96–114, Dec. 2018, Accessed: May 03, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/GEOG/article/view/483