OMAR, Ayman M.A. West Texas Intermediate and Brent Spread during Organization of the Petroleum Exporting Countries Supply Disruptions. International Journal of Energy Economics and Policy, [S. l.], v. 5, n. 3, p. 693–703, 2015. Disponível em: https://econjournals.com.tr/index.php/ijeep/article/view/1239. Acesso em: 24 dec. 2024.