Saleem, Awaz Mohamed, Hazheen Mardan Mustafa, Zeravan Abdulmuhsen Asaad, and Amjad Saber Al-Delawi. “Regional Stock Market Efficiency at Weak Form After the Covid-19 Vaccination Approval”. International Journal of Economics and Financial Issues 13, no. 6 (November 11, 2023): 63–70. Accessed November 22, 2024. https://econjournals.com/index.php/ijefi/article/view/15109.