"Effect of Some Water Harvesting Techniques on Productivity of Two Sorghum Cultivars in North Gedarif Area" (2025) University of Khartoum Journal of Agricultural Sciences, 16(2). موجود في: https://onlinejournals.uofk.edu/uofkjas/article/view/1836 (تاريخ الوصول: 25 مايو 2026).