TSEGAYE, Misganaw Alene; MOGES, Birara Asnakew. Roles And Challenges of Secondary School Instructional Leadership for the Achievement of Student Learning: The Case of South Gondar Administrative Zone, Amhara Region, Ethiopia. Asian Journal of Humanity, Art and Literature, Kuala Lumpur, Malaysia, v. 1, n. 1, p. 48–70, 2014. DOI: 10.18034/ajhal.v1i1.282. Disponível em: https://i-proclaim.my/journals/index.php/ajhal/article/view/282.. Acesso em: 17 may. 2024.