YURTSEVEN S. Determination of the Feed Values of Çaşir (Prangos ferulacea) and Goat’s Thorn (Astragalus gummifera) Located in Natural Plant Flora of the Southeastern Anatolia Region. Kafkas Univ Vet Fak Derg,  17 (6):  909-915,  2011. DOI: 10.9775/kvfd.2011.4698