Ishihara, Minako. “Change in the Significance of Affiliation to Ṭarīqa The Case of Tiǧāniyya in and Around Ǧimma”. Aethiopica 19, no. 1 (October 2, 2017): 149–164. Accessed November 24, 2024. https://journals.sub.uni-hamburg.de/aethiopica/article/view/1133.