MUSYOKA, J. M.; MAITHYA, R.; CHELOTI, S. K. Influence of Head Teachers’ Supervisory Role on Students’ Performance in KCSE in Public Secondary Schools in Kathiani Sub-County, Machakos County, Kenya. The International Journal of Humanities & Social Studies, [S. l.], v. 5, n. 12, 2017. Disponível em: https://internationaljournalcorner.com/index.php/theijhss/article/view/125484. Acesso em: 3 jul. 2024.