Forcasting Stock Price PT. Indonesian Telecomunication with ARCH-GARCH Model. Jurnal Varian, [S. l.], v. 5, n. 2, p. 125–136, 2022. DOI: 10.30812/varian.v5i2.1543. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/1543. Acesso em: 1 jul. 2025.