Budiman, Haldi, Silvia Ratna, M. Muflih, Usman Syapotro, Muhammad Hamdani, and M. Rezqy Noor Ridha. 2024. “Classification of Heart Disease Using a Stacking Framework of BiGRU, BiLSTM, and XGBoost”. Journal of Data Science 2024 (November). https://iuojs.intimal.edu.my/index.php/jods/article/view/594.