"Interactive Effect of Plant Density and Nitrogen Level on Growth and Yield of Sesame under Irrigation in Northern Sudan". 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/1937.