Etaferahu Hailu Tessema. “Notes on the Phonology of Gura – a Central Western Gurage Variety”. ZENA-LISSAN (Journal of Academy of Ethiopian Languages and Cultures), vol. 30, no. 2, Oct. 2022, pp. 22-39, http://ejol.aau.edu.et/index.php/JAELC/article/view/3742.