OVIE , N. N. A. B.; EREGIE, A. E. .; UGBENU, A. R. . Evaluating Principals’ Administrative Planning Skills in Public Senior Secondary Schools in Ethiope East, Delta State. International Journal of Universal Education, [S. l.], v. 3, n. 2, p. 37–47, 2026. DOI: 10.33084/ijue.v3i2.11432. Disponível em: https://journal.umpr.ac.id/index.php/ijue/article/view/11432. Acesso em: 13 feb. 2026.