Suppalakpanya, K., Nikhom, R., Booranawong, T. and Booranawong, A. 2026. EVALUATION OF ADDITIVE AND EXTENDED ADDITIVE HOLT-WINTERS METHODS: ONE-YEAR AHEAD FORECASTING OF CRUDE PALM OIL PRODUCTION IN THAILAND. Suranaree Journal of Science and Technology. 27, 4 (Aug. 2026), 010016(1–10).