H. M. Srour, S. Youssef, N. M. Darwish, M. F. Abouelenein, and O. Mohamed Shawky Eissa, “Investor Sentiment and Stock Market Volatility in the Egyptian Exchange: A GARCH and EGARCH Analysis with Persistence and Asymmetry Checks (2009-2025)”, Stat., optim. inf. comput., vol. 16, no. 2, pp. 1311–1333, Jun. 2026.