Mohd Ridzuan, Nur Qamarina, and Sahul Hamid Mohamed Maiddin. “The Impact of the Road Network Development on the Economy in Peninsular Malaysia, 1963-1990”. Perspektif Jurnal Sains Sosial dan Kemanusiaan 16, no. 2 (December 11, 2024): 75–87. Accessed December 22, 2024. https://ejournal.upsi.edu.my/index.php/PERS/article/view/9321.