Yaseen, Ayad Ahmed, and Adnan Salem Qasim. “Evaluating the Performance of the Investment Portfolio of the Qatar Pension Fund Analytical Study for the Period (2008-2018)”. Tikrit Journal of Administrative and Economic Sciences 16, no. 52, 1 (December 31, 2020): 149–165. Accessed September 22, 2026. https://www.tjaes.org/index.php/tjaes/article/view/1761.