Abtew, A., Hadera, A. and Sishagn, S. (2024) “The British Sudan and western frontiers of Ethiopia: Encroachment on and cooperation in Benishangul, 1898-1908”, Ethiopian Journal of Social Sciences (EJSS), 10(1), pp. 110–127. Available at: https://journals.bdu.edu.et/index.php/ejss/article/view/1801 (Accessed: 6 August 2026).