REZAIY, R.; SHABRI, A. Using the ARIMA/SARIMA Model for Afghanistan’s Drought Forecasting Based on Standardized Precipitation Index. MATEMATIKA, [S. l.], v. 39, n. 3, p. 239–261, 2023. DOI: 10.11113/matematika.v39.n3.1478. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/1478. Acesso em: 29 feb. 2024.