Vijean V, Prathaban SN, Palaniappan R, Chin LC, Abdullah R, Maniraj V, et al. Investigation of Valvular Heart Defects Through Phonocardiogram Signals. IJIE [Internet]. 2024 Jun. 11 [cited 2026 Apr. 9];16(1):328-36. Available from: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/16349