Andriani, W. et al. 2026. Machine Learning for Chili Pepper Price Forecasting Using Exogenous Public-Attention Signals and Bayesian Hyperparameter Optimization. Ultimatics : Jurnal Teknik Informatika. 18, 1 (Jun. 2026), 45–53. DOI:https://doi.org/10.31937/ti.v18i1.4439.