R. A. Che Ros and N. E. A. B, “Transformasi Pembangunan Terhadap Aktiviti Perkhidmatan di Daerah Putatan dan Kesannya kepada Sosioekonomi Penduduk Tempatan: Development Transformation to Service Activities in the Putatan District and its Impact on the Socio-Economic Status of the Locals”, GEOG, vol. 6, no. 3, pp. 103–111, Nov. 2018, Accessed: Dec. 07, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/GEOG/article/view/2107