ALMEIDA, E.; CASTILLO, D.; PARRA, S. Developing awareness of unknown sounds to improve merging and substitution pronunciation mistakes. INNOVA Research Journal, [S. l.], v. 3, n. 4, p. 44–56, 2018. DOI: 10.33890/innova.v3.n4.2018.476. Disponível em: https://revistas.uide.edu.ec/index.php/innova/article/view/476. Acesso em: 21 dic. 2024.