2023. PERBANDINGAN PREDIKSI PRODUKSI TIMAH MENGGUNAKAN MODEL SIMPLE MOVING AVERAGES, WEIGHTED MOVING AVERAGES DAN DATA AKTUAL DI PROVINSI KEPULAUAN BANGKA BELITUNG: COMPARISON PREDICTION OF TIN PRODUCTION USING SIMPLE MOVING AVERAGES MODELS, WEIGHTED MOVING AVERAGES AND ACTUAL DATA IN BANGKA BELITUNG ISLANDS PROVINCE. Fraction: Jurnal Teori dan Terapan Matematika. 3, 1 (Jun. 2023), 29–35. DOI:https://doi.org/10.33019/fraction.v3i1.40.