abdalraheem Mohammad , Mutaz adam, and Seliyman khalifa mordas agab alla. “The Role of Scientific Research in Achieving Sustainable Development in Sudan, Econometric Study During Period 2005-2020”. Dirassat Journal Economic Issue 14, no. 2 (June 9, 2023): 1-20. Accessed November 22, 2024. http://journals.lagh-univ.dz/index.php/djei/article/view/3403.