"A Preliminary Assessment of the Reproductive Performance of Nilotic Bucks under Intensive Management in the Semi-Arid Climate of Khartoum". University of Khartoum Journal of Agricultural Sciences 17, no. 3 (مارس 28, 2023). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/uofkjas/article/view/1936.