Relationship between teacher empowerment and principal effectiveness at secondary schools level. International Journal of Learning and Teaching, [S. l.], v. 9, n. 4, p. 418–424, 2017. DOI: 10.18844/ijlt.v9i4.2105. Disponível em: https://un-pub.eu/ojs/index.php/ijlt/article/view/2105. Acesso em: 16 may. 2024.