ALIYU, R.; JOHNSON, H. B. PRINCIPALS’ PROFESSIONAL COMPETENCIES AS PREDICTORS OF JOB PERFORMANCE OF TEACHERS IN SECONDARY SCHOOLS, IN SOUTHWEST, NIGERIA. African Journal of Educational Management, [S. l.], v. 22, n. 2, p. 133–146, 2022. Disponível em: http://journals.ui.edu.ng/index.php/ajem/article/view/711. Acesso em: 24 may. 2024.