Mohammed, Omar Dheyaa, Mohammed Najim Abdullah, Nadir Yousef Abbo, and Nashwan Nather Salih. “A Comparison Effect Of Feeding Barley or Soybean Meal Chemically Treated As A Source Of Undegradable Protein in Milk Production and Composition in Awassi Ewes”. Journal of agricultural, environmental and veterinary sciences 4, no. 1 (March 30, 2020): 53–43. Accessed December 19, 2025. https://www.ajsrp.ojsexpert.com/index.php/jaevs/article/view/2295.