PUTRA, K. T. Voice Verification System Based on Bark-frequency Cepstral Coefficient. Journal of Electrical Technology UMY, [S. l.], v. 1, n. 1, p. 28–36, 2017. DOI: 10.18196/jet.1104. Disponível em: https://journal.umy.ac.id/index.php/jet/article/view/2720. Acesso em: 30 apr. 2025.