TRANSFORMATIONAL LEADERSHIP SKILLS OF HEAD TEACHERS AND TEACHERS PERFORMANCE AT SECONDARY LEVEL. Khaldunia-Journal of Social Sciences, [S. l.], v. 1, n. 1, p. 52–62, 2021. DOI: 10.36755/khaldunia.v1i1.53. Disponível em: https://journalsriuf.com/index.php/KJSS/article/view/52. Acesso em: 21 apr. 2026.