Iqbal M, Ningsih NW. Prediksi Harga Saham Harian PT BTPN Syariah Tbk Menggunakan Model Arima dan Model Garch. JIEI [Internet]. 2021 Nov. 3 [cited 2026 May 12];7(3):1573-80. Available from: https://www.jurnal.stie-aas.ac.id/index.php/jei/article/view/2795