GURRIB, I. Can an Energy Futures Index Predict US Stock Market Index Movements?. International Journal of Energy Economics and Policy, [S. l.], v. 8, n. 5, p. 230–240, 2018. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/6622. Acesso em: 28 may. 2024.