Gerema Alemayehu. “AN ASSESSMENT OF PURCHASING PRACTICE AND ITS RELATED CHALLENGES: A CASE OF ILU ABA BORA AND BUNO BEDELE ZONE FINANCE AND ECONOMIC COOPERATION OFFICE”. International Journal of Applied Service Marketing Perspectives, Vol. 8, no. 01, Mar. 2019, pp. 3640-7, https://asmp.gfer.org/index.php/asmp/article/view/28.