Haryanto, A. E. P. ., Susilaningrum, . D. ., & Fauzi, I. N. . (2025). Forecasting the Consumer Confidence Index for Economic Conditions Prediction in Ambon, Indonesia. IPTEK The Journal of Engineering, 9(2), 57–62. https://doi.org/10.12962/j23378557.v9i2.a16132