APPLICATION OF MANAGEMENT INFORMATION SYSTEM AS PREDICTOR OF PRINCIPALS’ ADMINISTRATIVE EFFECTIVENESS IN SECONDARY SCHOOLS IN ANAMBRA STATE, NIGERIA. International Nexus Multidisciplinary Research Journal, [S. l.], v. 3, n. 1, p. 317–332, 2026. DOI: 10.65360/39n89t14. Disponível em: https://inmrj.org/index.php/nexus/article/view/92. Acesso em: 15 apr. 2026.