Livingstone KA, Ferreira A. The effectiveness of a mixed methodological model for the teaching and learning of spanish as a foreign language. Bol. Filolg. [Internet]. 2009 Jan. 1 [cited 2025 Apr. 8];44(2):Pág. 89-118. Available from: https://revistateoria.uchile.cl/index.php/BDF/article/view/18022