Review of sociocultural theory and the mediational function of speaking as an alternative to improve standards in Colombian EFL setting. Interacción, [S. l.], v. 11, p. 105–115, 2012. Disponível em: https://revistas.unilibre.edu.co/index.php/interaccion/article/view/2263. Acesso em: 10 mar. 2025.