JAIYEOBA, A. O.; SALAMI M. O. THE IMPACT OF MANAGEMENT BY OBJECTIVES ON THE ADMINISTRATIVE EFFECTIVENESS OF PUBLIC SECONDARY SCHOOLS IN IBADAN NORTH LOCAL GOVERNMENT AREA OF OYO STATE. African Journal of Educational Management, [S. l.], v. 17, n. 03, p. 1–15, 2021. Disponível em: https://journals.ui.edu.ng/index.php/ajem/article/view/314. Acesso em: 23 may. 2024.