Rezaldi, Dona, and Sugiman Sugiman. “Peramalan Metode ARIMA Data Saham PT.Telekomunikasi Indonesia”. PRISMA, Prosiding Seminar Nasional Matematika 4 (February 25, 2021): 611-620. Accessed May 20, 2024. https://journal.unnes.ac.id/sju/prisma/article/view/45036.