Rosnan, Herwina, and Nuraisyah Chua Abdullah. “International Transportation Network Companies: Behaviour of Drivers and Consumers”. Environment-Behaviour Proceedings Journal 3, no. 8 (August 1, 2018): 167–171. Accessed July 3, 2024. https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/1409.