Al-gergouse, Saraa Salim D., and Sarmad G. S. Al-yassin. 2022. “Diversification of Funding Sources for Various Sovereign Funds of Oil and Non-Oil Countries (Suggested Vision)”. Tikrit Journal of Administrative and Economic Sciences 18 (57, 3):254-69. https://doi.org/10.25130/tjaes.18.57.3.15.