QABHOBHO, T.; ASAFO-ADJEI, E.; OWUSU JUNIOR, P.; ADAM, A. M. Quantifying information transfer between Commodities and Implied Volatilities in the Energy Markets: A Multi-frequency Approach . International Journal of Energy Economics and Policy, [S. l.], v. 12, n. 5, p. 472–481, 2022. DOI: 10.32479/ijeep.13403. Disponível em: https://econjournals.com/index.php/ijeep/article/view/13403. Acesso em: 9 feb. 2023.