Al-gergouse, Saraa Salim D., and Sarmad G. S. Al-yassin. “Diversification of Funding Sources for Various Sovereign Funds of Oil and Non-Oil Countries (Suggested Vision)”. Tikrit Journal of Administrative and Economic Sciences 18, no. 57, 3 (March 31, 2022): 254–269. Accessed March 6, 2026. https://www.tjaes.org/ojs/index.php/tjaes/article/view/241.