Umairah, Tarisa, Nurfitri Imro’ah, and Nur’ainul Huda. “ARIMA MODEL VERIFICATION WITH OUTLIER FACTORS USING CONTROL CHART”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 18, no. 1 (March 1, 2024): 0579-0588. Accessed July 23, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/10378.