SIDDIQUE, A. .; KHAN, M. A. .; KHALID, A. A. . Causal effect of pandemic COVID-19, gold and oil prices on United States economic policy uncertainty: Evidence from ARDL method. Journal of Business & Tourism, [S. l.], v. 7, n. 2, p. 30–41, 2022. DOI: 10.34260/jbt.v7i2.236. Disponível em: https://jbt.org.pk/index.php/jbt/article/view/236. Acesso em: 4 mar. 2024.