Wondaferahu Mulugeta, Solomon Assefa, and Jibril Haji. 2016. “Determinants of Farmers Preference to Coffee Market Outlet in Jimma Zone: The Case of Coffee Potential Districts”. Global Journal of Management and Business Research 16 (E4):1-12. https://journalofbusiness.org/index.php/GJMBR/article/view/2137.