AMAEFULA CHIBUZO GABRIEL. A SARIMA and Adjusted SARIMA Models in a Seasonal Nonstationary Time Series; Evidence of Enugu Monthly Rainfall. Utilitas Mathematica , [S. l.], v. 118, p. 58–70, 2021. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1538. Acesso em: 7 may. 2026.