Elamin, Elwaleed Mohamed, and Mekki Abdelatif Omer. “Effect of Some Tillage Systems on Surface Runoff and Soil Erosion in Northern Gedarif Area, Sudan”. University of Khartoum Journal of Agricultural Sciences 24, no. 1 (March 28, 2023). Accessed April 4, 2025. http://onlinejournals.uofk.edu/index.php/uofkjas/article/view/1787.