CHEN, J.-C. V.; PRINCE, Y. G.; HA, Q. A. The Lead Lag Relationship between Spot and Futures Markets in The Energy Sector. International Journal of Energy Economics and Policy, [S. l.], v. 7, n. 4, p. 23–30, 2017. Disponível em: https://econjournals.com/index.php/ijeep/article/view/5109. Acesso em: 4 may. 2024.