Belhaj, Fethi, and Ezzeddine ABAOUB. 2015. “A GARCH Examination of the Relationship Between Trading Volume and Conditional Volatility in the Tunisian Stock Market: Evidence for the Information Flow Paradigm”. International Journal of Economics and Financial Issues 5 (2):354-64. https://econjournals.com/index.php/ijefi/article/view/1098.