BAYISA, R. The Derg-SPLM/A Cooperation: An Aspect of Ethio-Sudan Proxy Wars. Ethiopian Journal of the Social Sciences and Humanities, [S. l.], v. 5, n. 2, p. 19–44, 2023. Disponível em: https://ejol.aau.edu.et/index.php/EJOSSAH/article/view/6160. Acesso em: 6 apr. 2025.