BOLA, A.; C., O. R. The Head Teachers’ Leadership Role For Effective School Performance. The International Journal of Business & Management, [S. l.], v. 1, n. 7, 2013. Disponível em: https://internationaljournalcorner.com/index.php/theijbm/article/view/127758. Acesso em: 23 jul. 2024.