Sucipto CS, Sulandari W, Susanti Y. IMPLEMENTATION OF CROSS-VALIDATION ON HANG SENG INDEX FORECASTING USING HOLT’S EXPONENTIAL SMOOTHING AND AUTO-ARIMA METHOD. BAREKENG: J. Math. & App. [Internet]. 13Jan.2025 [cited 15Jan.2025];19(1):13-4. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/11966