Talumewo, Stievio, Nelson Nainggolan, and Yohanes A.R. Langi. “Penerapan Model ARIMA-GARCH Untuk Peramalan Harga Saham PT Adhi Karya (Persero) Tbk (ADHI.JK)”. d\’Cartesian: Jurnal Matematika dan Aplikasi 12, no. 2 (December 11, 2023): 56–61. Accessed November 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/49783.