Arhin, S. A., A. Gatiba, M. Anderson, B. Manandhar, and M. Ribbisso. “Acceptable Wait Time Models at Transit Bus Stops”. Engineering, Technology & Applied Science Research 9, no. 4 (August 10, 2019): 4574–4580. Accessed January 21, 2022. https://etasr.com/index.php/ETASR/article/view/2966.