BUBERKOKU, O. Examining the Value-at-risk Performance of Fractionally Integrated GARCH Models: Evidence from Energy Commodities. International Journal of Economics and Financial Issues, [S. l.], v. 8, n. 3, p. 36–50, 2018. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/6329. Acesso em: 6 dec. 2022.