NZE, O. N.; EJEM, E. A. Sensitivity analysis of performance of Nigerian ports using data envelopment analysis. Journal of Sustainable Development of Transport and Logistics, [S. l.], v. 5, n. 1, p. 37–47, 2020. DOI: 10.14254/jsdtl.2020.5-1.4. Disponível em: https://jsdtl.sciview.net/index.php/jsdtl/article/view/86. Acesso em: 20 may. 2026.