Admaja, A., Kurniabudi, K. and Nurhadi, N. (2026) “Prediction of Indonesian Banking Stock Prices Using a Hybrid LSTM and XGBoost Model with Optuna Based Hyperparameter Optimization”, Jurnal Teknik Informatika (Jutif). Purwokerto, 7(3), pp. 2758–2777. doi: 10.52436/1.jutif.2026.7.3.5715.