Pahlevan Afshar, Kian, and Mehran Aboozari. “Estimation of the Eeconomic Values for the Important Traits of Zel Sheep in the Intensive Production System Using a Bio-Economic Model”. Veterinary Science Development 8, no. 1 (January 10, 2019). Accessed April 26, 2024. https://www.pagepress.org/journals/vsd/article/view/7854.