NOVIYANA, R. and KHALIL, A.A. 2026. ANALISIS VOLATILITAS DAN PERAMALAN KURS JUAL RUPIAH TERHADAP RIYAL ARAB SAUDI MENGGUNAKAN MODEL ARCH/GARCH. E-Jurnal Matematika. 14, 3 (Jan. 2026), 98–106. DOI:https://doi.org/10.24843/MTK.2025.v14.i03.p486.