DÍAZ-DUCCA, J. A. Effects of affective variables on L2 fossilization in adults: A critical literature review. Innovaciones Educativas, [S. l.], v. 14, n. 19, p. 64–74, 2013. DOI: 10.22458/ie.v14i19.640. Disponível em: https://revistas.uned.ac.cr/index.php/innovaciones/article/view/640. Acesso em: 18 abr. 2024.