EMMANUEL A. ISAH. STUDENTS’ PERCEPTION OF ACADEMIC PLANNING EFFECTIVENESS IN NIGERIAN UNIVERSITIES. African Journal of Educational Management, [S. l.], v. 16, n. 2, p. 1–16, 2021. Disponível em: https://journals.ibadanedu.com/index.php/ajem/article/view/475. Acesso em: 25 mar. 2026.