QADIR, B. H. .; MOHAMMED, M. A. . Comparison between SARIMA and SARIMAX time series Models with application on Groundwater in Sulaymaniyah. The Scientific Journal of Cihan University– Sulaimaniya, [S. l.], v. 5, n. 2, p. 30-48, 2022. DOI: 10.25098/5.2.17. Disponível em: https://journal.sulicihan.edu.krd/index.php/sjcus/article/view/89. Acesso em: 12 feb. 2026.