Biftu, Amare, Bekele Diriba, and Ayalew Sida. “Pre-Extension Demonstration of Improved Durum Wheat Technologies in Bale and West Arsi Zones, Southeastern Oromia, Ethiopia”. Scientific Journal of Crop Science 6, no. 9 (September 19, 2017): 204-212. Accessed January 6, 2025. http://sjournals.com/index.php/sjcs/article/view/308.