PERAMALAN NILAI TUKAR PETANI DI BANGKA BELITUNG DENGAN METODE HOLT-WINTERS: FORECASTING FARMER EXCHANGE RATE IN BANGKA BELITUNG USING HOLTWINTER METHOD. Fraction: Jurnal Teori dan Terapan Matematika, [S. l.], v. 2, n. 2, p. 66–73, 2022. DOI: 10.33019/fraction.v2i2.34. Disponível em: https://update.fraction.ubb.ac.id/index.php/fraction/article/view/34. Acesso em: 17 apr. 2026.