VALLE FIALLOS, María Belén; ANDRADE MORÁN, José Ignacio. The use of role-play to improve speaking competence. MENTOR revista de investigación educativa y deportiva , [S. l.], v. 5, n. 15, p. 01–16, 2026. DOI: 10.56200/mentor.v5i15.13409. Disponível em: https://revistamentor.ec/index.php/mentor/article/view/13409. Acesso em: 16 sep. 2026.