« Modeling and Forecasting Volatility of Qatar Stock Exchange in light of the blockade and Covid-19 crises Using GARCH Models », renaf, vol. 18, nᵒ 30, p. 43–60, juill. 2025, Consulté le: oct. 22, 2026. Disponible sur: https://journals.univ-chlef.dz/index.php/renaf/article/view/266