BIAMBA, C. The Role of Educational Leadership for School Effectiveness System Theory and the National Leaders of Education Program in the UK. The International Journal of Humanities & Social Studies, [S. l.], v. 2, n. 11, 2014. Disponível em: https://internationaljournalcorner.com/index.php/theijhss/article/view/140759. Acesso em: 23 jul. 2024.