AMRI, Ihsan Fathoni; WULAN SARI; WIDYASARI, Velia Arni; NUROHMAH, Nufita; HARIS, M. Al. The ARIMA-GARCH Method in Case Study Forecasting the Daily Stock Price Index of PT. Jasa Marga (Persero). EIGEN MATHEMATICS JOURNAL, [S. l.], v. 7, n. 1, p. 25–33, 2024. DOI: 10.29303/emj.v7i1.174. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/174. Acesso em: 7 sep. 2026.