Imron, M., Wika Utami, Hani Khaulasari, and Firman Armunanto. “ARIMA MODEL OF OUTLIER DETECTION FOR FORECASTING CONSUMER PRICE INDEX (CPI)”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, no. 4 (December 15, 2022): 1259-1270. Accessed May 8, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/6249.