PERBANDINGAN METODE ARIMA DAN EXPONENTIAL SMOOTHING DALAM MEMPREDIKSI HARGA LADA PUTIH DI KOTA PANGKALPINANG PROVINSI KEPULAUAN BANGKA BELITUNG: COMPARISON OF ARIMA AND EXPONENTIAL SMOOTHING METHODS IN PREDICTING THE PRICE OF WHITE PEPPER IN PANGKALPINANG CITY. (2021). Fraction: Jurnal Teori Dan Terapan Matematika, 1(1), 1-9. https://doi.org/10.33019/fraction.v1i1.1