Noorizki, Adisaputra Zidha, Heri Pratikno, and Weny Indah Kusumawati. “Ensemble Voting Method for Phonocardiogram Heart Signal Classification Using FFT Features”. Journal of Applied Informatics and Computing 8, no. 2 (November 25, 2024): 605–615. Accessed September 12, 2026. https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/8704.