ISHFAQ, M.; QIONG, Z. B.; SHAH, S. M. R. Global Macroeconomic Announcements and Foreign Exchange Implied Volatility. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 5, p. 119–127, 2017. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/5364. Acesso em: 3 oct. 2022.