OLANREWAJU, A. EVALUATION OF THE EFFECTIVENESS OF PRIMARY EDUCATION STUDIES (PES) PRODUCTS IN PRIMARY SCHOOLS IN SOUTH-WEST NIGERIA. African Journal of Educational Management, [S. l.], v. 12, n. 1, 2021. Disponível em: https://journals.ibadanedu.com/index.php/ajem/article/view/167. Acesso em: 22 mar. 2026.