CORBET, S.; TWOMEY, C. Have Exchange Traded Funds Influenced Commodity Market Volatility?. International Journal of Economics and Financial Issues, [S. l.], v. 4, n. 2, p. 323–335, 2014. Disponível em: https://econjournals.com/index.php/ijefi/article/view/723. Acesso em: 27 jul. 2024.