HASANTASH, Gholam Hossein; MOSTAFAEI, Hamidreza; KORDNOORI, Shaghayegh. Modelling the Errors of EIA’s Oil Prices and Production Forecasts by the Grey Markov Model. International Journal of Economics and Financial Issues, [S. l.], v. 2, n. 3, p. 312–319, 2012. Disponível em: https://mail.econjournals.com/index.php/ijefi/article/view/212. Acesso em: 22 dec. 2024.