Abd Manaf, Nur Hidayah, and Isaudin Ismail. “Volatility Estimation Of Islamic and Conventional Stock Prices Using GARCH Method”. Enhanced Knowledge in Sciences and Technology 2, no. 1 (August 3, 2022): 261–269. Accessed July 18, 2024. https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/5411.