LONG, Đoàn P.; SAN, N. N. Vietnamese tone identification. Journal of Computer Science and Cybernetics, [S. l.], v. 19, n. 4, p. 347–352, 2012. DOI: 10.15625/1813-9663/19/4/1542. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1542. Acesso em: 30 apr. 2024.