KAUR, Rupinder; KUMAR, Navdeep. Review on Multi Pitch Detection in Speech. International Journal of Scientific Research in Computer Science and Engineering, [S. l.], v. 3, n. 3, p. 6–10, 2015. Disponível em: https://ijsrcse.isroset.org/index.php/j/article/view/74. Acesso em: 5 apr. 2025.