“Developing Heart Attack Prediction Model Based on Hyperparameter Tuning and Machine Learning Approach” (2022) iJournals:International Journal of Software & Hardware Research in Engineering ISSN:2347-4890, 10(9). Tersedia pada: https://ijournals.in/journal/index.php/ijshre/article/view/175 (Diakses: 20 Oktober 2026).