Lathifah, Lathifah, and Dina Agustina. “ADDITIVE HOLT-WINTERS METHOD FOR FORECASTING GROSS REGIONAL DOMESTIC PRODUCT AT CONSTANT PRICES OF EXPENDITURE OF WEST SUMATRA”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 18, no. 4 (October 14, 2024): 2737-2746. Accessed October 28, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/13636.