Mandala, S., M. Pramudyo, A. Rizal, and M. Fikry. “Study of Machine Learning Algorithm on Phonocardiogram Signals for Detecting of Coronary Artery Disease”. Indonesian Journal on Computing (Indo-JC), Vol. 5, no. 3, Jan. 2021, pp. 63-78, doi:10.34818/INDOJC.2020.5.3.536.