"Assessment of Water Quality in the Artisanal Gold Mining in Arba’at Region, Eastern Sudan". University of Khartoum Engineering Journal 14, no. 2 (أكتوبر 15, 2026). تاريخ الوصول أكتوبر 21, 2026. https://onlinejournals.uofk.edu/kuej/article/view/2258.