Dike, Declan Ndukauba, Callistus Chigozie Ibe, Ejem Agwu Ejem, Onyinyechi Erumaka, and Oluchi Ebere Chukwu. 2018. “Estimation of Inter-City Travel Demand for Public Road Transport in Nigeria”. Journal of Sustainable Development of Transport and Logistics 3 (3):88-98. https://doi.org/10.14254/jsdtl.2018.3-3.7.