Majed , Lecture. Dr. Ali. “Measuring the Impact of the COVID-19 Pandemic on Earnings Persistence in Companies of the Gulf Cooperation Council (GCC) Countries”. The Gulf Economist 42, no. 67 (March 30, 2026): 143–174. Accessed March 31, 2026. https://tge.uobasrah.edu.iq/index.php/tge/article/view/215.