The Socio-Cultural and Economic History of the Fourteen Horroo Sons to 1876, Horro-Guduruu Wallaggaa, North East Wallaggaa, South of Mormor River, Oromia, Africa. Journal of African Studies and Ethnographic Research, [S. l.], v. 2, n. 2, 2020. Disponível em: https://royalliteglobal.com/african-studies/article/view/404.. Acesso em: 21 apr. 2025.