Olorunnimbe, R.O., Oni, S.I., Ege, E. and Giwa, M. 2022. Analysis of effects of prolonged travel delay on public bus operators’ profit margin in metropolitan Lagos, Nigeria. Journal of Sustainable Development of Transport and Logistics. 7, 1 (Apr. 2022), 112–126. DOI:https://doi.org/10.14254/jsdtl.2022.7-1.10.