UMBUGALA, David. Origin of the Eggon Centralized Traditional Chieftaincy Institution. Journal of History and Social Sciences, [S. l.], v. 12, n. 2, p. 109–117, 2021. DOI: 10.46422/jhss.v12i2.188. Disponível em: https://jhss-uok.com/index.php/JHSS/article/view/188. Acesso em: 7 may. 2026.