TROUG, H. A.; SBIA, R. Testing for the Presence of Asymmetric Information in the Oil Market: A VAR Approach. International Journal of Economics and Financial Issues, [S. l.], v. 5, n. 3, p. 753–762, 2015. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/1316. Acesso em: 26 apr. 2024.