Chaouachi, Olfa, and Imen Dhaou. “The Day of the Week Effect: Unconditional and Conditional Market Risk Analysis”. International Journal of Economics and Financial Issues 10, no. 6 (November 4, 2020): 94–98. Accessed November 22, 2024. https://econjournals.com/index.php/ijefi/article/view/10610.