Sukor, N. S. A., and S. F. M. Fisal. “Safety, Connectivity, and Comfortability As Improvement Indicators of Walkability to the Bus Stops in Penang Island”. Engineering, Technology & Applied Science Research 10, no. 6 (December 20, 2020): 6450–6455. Accessed July 17, 2024. https://etasr.com/index.php/ETASR/article/view/3849.