Sham, Rohana, Chia Kai Xuen, Lee Yi Ting, and Mohammad Nazmuzaman Hye. “Public Transport, Ridership and Safe Travelling Environment During COVID-19 Pandemic”. Environment-Behaviour Proceedings Journal 7, no. 19 (March 31, 2022): 339–346. Accessed April 16, 2024. https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/3217.