Ramdhan W, Hutahaean J, Jollyta D, Karim A. Machine Learning Decision Support System for Heart Disease Prediction with Optuna and Threshold Optimization. J. Tek. Inform. (JUTIF) [Internet]. 2026 Apr. 18 [cited 2026 Apr. 21];7(2):1853-70. Available from: https://jutif.if.unsoed.ac.id/index.php/jurnal/article/view/5684