Sulung, B. P., Triyanto, W. A., & Setiaji, P. (2026). Extreme Learning Machine Hyperparameter Optimization Using Particle Swarm Optimization and Technical Indicators for Bitcoin Forecasting. IDEALIS : InDonEsiA JournaL Information System, 9(2), 357–370. https://doi.org/10.36080/idealis.v9i2.3812