MOSTAFAEI, H.; KORDNOORI, S. Hybrid Grey Forecasting Model for Iran’s Energy Consumption and Supply. International Journal of Energy Economics and Policy, [S. l.], v. 2, n. 3, p. 97–102, 2012. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/167. Acesso em: 14 aug. 2022.