"Appraisal of Ground Water Quality and its Impact on Irrigated Soils in Khartoum State, Sudan" (2025) University of Khartoum Journal of Agricultural Sciences, 17(1). موجود في: https://onlinejournals.uofk.edu/uofkjas/article/view/1994 (تاريخ الوصول: 25 مايو 2026).