PROYEKSI HARGA LADA PUTIH DI KOTA PANGKAL PINANG MENGGUNAKAN EXPONENTIAL SMOOTHING: PROJECTION OF WHITE PEPPER’S PRICE IN PANGKAL PINANG CITY PROVINCE OF BANGKA BELITUNG USING EXPONENTIAL SMOOTHING. (2021). Fraction: Jurnal Teori Dan Terapan Matematika, 1(1), 26-30. https://doi.org/10.33019/fraction.v1i1.4