MANYA, Nura Umar. The Effectiveness of Defense leadership of the Republic of South Africa. International Journal of Educational Innovations and Research, [S. l.], v. 1, n. 1, p. 18–27, 2025. DOI: 10.63671/ijeir.v1i1.15. Disponível em: https://www.shimej.com/index.php/ijeir/article/view/15. Acesso em: 2 jun. 2026.