IMPACT OF EDUCATIONAL MANAGEMENT EFFICIENCY ON ECONOMIC DEVELOPMENT IN NIGERIA. INT’L JOURNAL OF HUMANITIES, ECONOMIC DEVELOPMENT AND CONTEMPORARY STUDIES, [S. l.], v. 3, n. 1, p. 1–17, 2026. DOI: 10.66993/ijhedcs1343020261-17. Disponível em: https://journals.iempsglobal.org/index.php/IJHEDCS/article/view/430. Acesso em: 5 aug. 2026.