LEE, Y.-H.; FANG, H. Oil and S&P 500 Markets: Evidence from the Nonlinear Model. International Journal of Economics and Financial Issues, [S. l.], v. 2, n. 3, p. 272–280, 2012. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/201. Acesso em: 19 apr. 2024.