Mayanti, Utari Sri, Open Darnius, and Israil Sitepu. 2023. “MODEL HIBRIDA AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA) DAN FUZZY TIME SERIES (FTS) UNTUK PERAMALAN PRODUKSI KELAPA SAWIT PT. PERKEBUNAN NUSANTARA II”. Cartesius : Jurnal Pendidikan Matematika 6 (1):33-40. https://ejournal.ust.ac.id/index.php/CARTESIUS/article/view/2749.