"Effect of Methods of Polyethylene Glycol Addition on Gas Poduction Parameters of Acacia Seyal, Acacia Ehrenbergiana and Capparis Deciduas". Journal of Veterinary Medicine and Animal Production 6, no. 1 (أكتوبر 12, 2021). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/vet/article/view/465.