Investigate The Relationship Between Head Teacher Ethical Leadership Style and Teacher’s Motivation at Secondary Level. International Research Journal of Management and Social Sciences, [S. l.], v. 5, n. 2, p. 856–867, 2024. Disponível em: https://irjmss.com/index.php/irjmss/article/view/390.. Acesso em: 18 sep. 2025.