Nasrudin, Na’asah, Katiman Rostam, and Harifah Mohd Noor. “Constraints and Motives for Sustainable Transport in Shah Alam”. Journal of ASIAN Behavioural Studies 3, no. 8 (May 24, 2018): 37-45. Accessed May 12, 2021. https://jabs.e-iph.co.uk/index.php/jABs/article/view/276.