Sumbul, Ziya Batul Rizvi, and Saif Siddiqui. “Were Islamic Indices Resistant to Volatility During the COVID-19 Period?”. Indian Journal of Finance 18, no. 12 (December 15, 2024): 56–75. Accessed August 3, 2025. https://www.indianjournalofcapitalmarkets.com/index.php/IJF/article/view/174668.