DAMIETE GIBSON , A. . Principal’s Managerial Competencies and Utilization of Financial Resource in Public Secondary School Rivers state, Nigeria. . International Journal of Educational Management, [S. l.], v. 19, n. 3, p. 15–25, 2025. Disponível em: https://www.ijem.org.ng/index.php/ijem/article/view/261. Acesso em: 8 aug. 2025.