Ndu C. Vitalis, O. A. A. A. C. M. A. O. U. and Olamide, O. F. (2020) “Delegation strategy for achieving success of transport companies in South-East Nigeria”, Opción, 360, pp. 1766-1783. Available at: http://www.produccioncientificaluz.org/index.php/opcion/article/view/32072 (Accessed: 5December2025).