HAMMED T. AYO. EFFECTS OF AGGRESSIVE BEHAVIOUR, PERCEIVED SELF EFFICACY AND STATE ANXIETY ON BURNOUT AMONG STUDENT UNION LEADERS IN NIGERIAN TERTIARY INSTITUTIONS. African Journal of Educational Management, [S. l.], v. 13, n. 2, 2021. Disponível em: http://www.journals.ui.edu.ng/index.php/ajem/article/view/216. Acesso em: 3 may. 2025.