"Performance of Turkeys Under Extensive and Semi - Intensive Systems of Management in Khartoum State". University of Khartoum Journal of Agricultural Sciences 22, no. 2 (مارس 28, 2023). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/uofkjas/article/view/1811.