Younis, Abubaker, Amro Khalafalla, Ismail Elgizouli, Ratiba Abdelgadir, Ali Omer, Mahmoud Onsa, and Quosay Ahmed. “Economic Analysis and Policy-Related Recommendations to Promote Distributed Solar Photovoltaic Systems in Sudan”. University of Khartoum Engineering Journal 12, no. 1 (January 4, 2023). Accessed September 4, 2025. https://uofkej.uofk.edu/index.php/uofkej/article/view/21.