Youssef, E. ., and W. . . Saker. “Slavery Trade in the Sudan in the Era of Mohammad Pasha and His Successors (1805-1879 AD)”. Latakia University Journal - Arts and Humanities Sciences Series, vol. 40, no. 6, Dec. 2018, https://journal.latakia-univ.edu.sy/index.php/humlitr/article/view/5724.