Omaima Khalil Mohammed Ahmed. “Impact of Intellectual Capital Investment on Sustainable Competitive Advantage in Sudanese Pharmaceuticals”. Middle East Journal of Economics, Law and Social Sciences (MEJELSS) 2, no. 1 (February 19, 2026): 48–64. Accessed March 1, 2026. https://mideastjournals.com/index.php/mejelss/article/view/39.