Dieny, A.R. and Sutrisno, T.F. 2026. Production Planning Forecasting using Seasonal and Non-Seasonal ARIMA Method with Minitab Applications (Study Case: DC Company). Journal of Economics and Management Scienties. 8, 2 (Jan. 2026), 394–403. DOI:https://doi.org/10.37034/jems.v8i2.259.