WILMOT, Neil A. Cointegration in the Oil Market Among Regional Blends. International Journal of Energy Economics and Policy, [S. l.], v. 3, n. 4, p. 424–433, 2013. Disponível em: https://econjournals.com.tr/index.php/ijeep/article/view/592. Acesso em: 24 dec. 2024.