NGUYEN, H. T.; BUI, T. T.; HUYNH, H. T. Implementation of hidden MARKOV model (hmm) - based vietnamese text-to-speech device. Journal of Technical Education Science, [S. l.], v. 9, n. 2, p. 53–57, 2014. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/586. Acesso em: 7 apr. 2026.