Nwaogbe, O. R., S. Erhijivwo, and J. Miracle. “Comparative Study of Two Selected Eastern Port Operational Performance in Nigeria: Case of Rivers and Delta Ports”. Journal of Sustainable Development of Transport and Logistics, vol. 8, no. 2, Dec. 2023, pp. 153-6, doi:10.14254/jsdtl.2023.8-2.11.