Olorunnimbe, R. O., Oni, S. I., Ege, E., & 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), 112–126. https://doi.org/10.14254/jsdtl.2022.7-1.10