Amri, Ihsan Fathoni, Wulan Sari, Velia Arni Widyasari, Nufita Nurohmah, and M. Al Haris. “The ARIMA-GARCH Method in Case Study Forecasting the Daily Stock Price Index of PT. Jasa Marga (Persero)”. EIGEN MATHEMATICS JOURNAL 7, no. 1 (April 7, 2024): 25–33. Accessed December 22, 2024. https://eigen.unram.ac.id/index.php/eigen/article/view/174.