Idris, A.Y., and A.H. Elnadi. “Performance of Lucerne (Medicago Sativa L.) Under Semi-Arid Environment. I: Effects of Irrigation Regime and Irrigation System on Fodder Yield of Lucerne”. University of Khartoum Journal of Agricultural Sciences 22, no. 1 (March 28, 2023). Accessed April 4, 2025. http://onlinejournals.uofk.edu/index.php/uofkjas/article/view/1830.