Abiba, Garedow, Worku Derara, and Alfredo González-Ruibal. 2026. “Archaeological Semiotics of Material Cultures of Gadaa Ritual Performances in Borana and Shewa Zones, Ethiopia”. Ethiopian Journal of the Social Sciences and Humanities 21 (2):85-108. https://ejol.aau.edu.et/index.php/EJOSSAH/article/view/11729.