OGHOJAFOR, B. E. A.; KUYE, O. L.; ALANEME, G. C. Concession as a Strategic Tool for Ports Efficiency: An Assessment of the Nigerian Ports. American Journal of Business and Management, [S. l.], v. 1, n. 4, p. 214–222, 2012. DOI: 10.11634/216796061706213. Disponível em: http://worldscholars.org/index.php/ajbm/article/view/213. Acesso em: 2 may. 2024.