MAMO, Tadesse Regassa; NIGUSSA, Getahun. The Practices and Challenges of Internal School Supervision: The Case in East Wollega Secondary Schools. International Journal of Social Sciences & Educational Studies, [S. l.], v. 5, n. 3, p. 178–191, 2019. DOI: 10.23918/ijsses.v5i3p178. Disponível em: https://ijsses.tiu.edu.iq/index.php/ijsses/article/view/570. Acesso em: 7 feb. 2025.