Nia Madu Marliana et al. 2023. Multiclass Classification of Myocardial Infarction Based on Phonocardiogram Signals Using Ensemble Learning. Jurnal Nasional Teknik Elektro. 12, 3 (Nov. 2023), 7–12. DOI:https://doi.org/10.25077/jnte.v12n3.1121.2023.