The dilemma of adopting ethnic federal system in Africa in light of the perspectives from Ethiopian experience. Global Journal of Sociology and Anthropology, [S. l.], v. 9, n. 1, p. 1–8, 2020. Disponível em: https://ijpp.org/journal/index.php/GJSA/article/view/210. Acesso em: 7 may. 2026.