Agustina, Tiah, and Gusmanely. Z. “Forecast of Farmers’ Exchange Rate in Jambi Province Using the Arima Method (Autoregressive Integrated Moving Average)”. STATMAT: Jurnal Statistika Dan Matematika, vol. 8, no. 1, Apr. 2026, pp. 182-95, doi:10.32493/sm.v8i1.59309.