Siddique, Asima, Muhammad Asif khan, and Ali Awais Khalid. “Causal Effect of Pandemic COVID-19, Gold and Oil Prices on United States Economic Policy Uncertainty: Evidence from ARDL Method”. Journal of Business & Tourism 7, no. 2 (April 3, 2022): 30–41. Accessed October 3, 2024. https://jbt.org.pk/index.php/jbt/article/view/236.