Mardianto, M. F. F., Pusporani, E., Ulya, D., Putra, I. K. P. K. A., & Ramadhan, R. (2024). SARIMAX–GARCH Model to Forecast Composite Index with Inflation Rate and Exchange Rate Factors. HighTech and Innovation Journal, 5(3), 743–758. https://doi.org/10.28991/HIJ-2024-05-03-014