DÍAZ-PARRA, O.; FUENTES-PENNA, A.; RUIZ-JAIMES, M. A.; TOLEDO-NAVARRO, Y.; LEZAMA-LEÓN, M.; LEZAMA-LEÓN, E. Intelligent Tutor System for the Learning of Otomí Language. International Journal of Combinatorial Optimization Problems and Informatics, [S. l.], v. 9, n. 3, p. 18–25, 2018. Disponível em: https://ijcopi.org/ojs/article/view/97. Acesso em: 27 apr. 2024.