Tissaoui, Kais, Zied Ftiti, and Chaker Aloui. “Commonality In Liquidity: Lessons From An Emerging Stock Market”. Journal of Applied Business Research (JABR) 31, no. 5 (September 4, 2015): 1927-1952. Accessed July 30, 2020. https://clutejournals.com/index.php/JABR/article/view/9410.