LOTFALIPOUR, M. R.; FALAHI, M. A.; BASTAM, M. Prediction of CO2 Emissions in Iran using Grey and ARIMA Models. International Journal of Energy Economics and Policy, [S. l.], v. 3, n. 3, p. 229–237, 2013. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/475. Acesso em: 3 may. 2024.