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. Fraction: Jurnal Teori dan Terapan Matematika, [S. l.], v. 1, n. 1, p. 26–30, 2021. DOI: 10.33019/fraction.v1i1.4. Disponível em: https://update.fraction.ubb.ac.id/index.php/fraction/article/view/4. Acesso em: 20 apr. 2026.