Massaquoi, Ibrahim, and Ajibu Jonas. “The Economic Impact of Global Volatility from COVID-19 and the Russia-Ukraine War on Largest Muslim Population Countries: A Difference-in-Difference Approach”. Journal of Islamic Finance 15, no. 1 (April 30, 2026). Accessed August 24, 2026. https://journals.iium.edu.my/iiibf-journal/index.php/jif/article/view/1092.