Dewo, Tenna(PhD)Assefa, Jiregna2018-06-272023-11-182018-06-272023-11-182011-07http://etd.aau.edu.et/handle/12345678/3802enPhilosophyQuestioning the Role of Ethics in Oromo Gadaa System: The Case of Borana Oromo Ritual Events at Arda JilaThesis