Role of Leadership and Learning Environment in Influencing Learning Achievement Level of Students: A Study of Gamo Gofa Zone of Ethiopia. International Journal of Criminology and Sociology, [S. l.], v. 8, p. 68–74, 2019. DOI: 10.6000/1929-4409.2019.08.08. Disponível em: https://neolifescience.com/index.php/ijcs/article/view/6076. Acesso em: 16 jan. 2026.