CERDAS NÚÑEZ, J.; POLANCO HERNÁNDEZ, A.; ROJAS NÚÑEZ, P. Comprehensive language in interactive group ii: teaching guide. Revista Educación - Journal of Education, [S. l.], v. 26, n. 1, p. 183–197, 2012. DOI: 10.15517/revedu.v26i1.2890. Disponível em: https://www.revistas.ucr.ac.cr/index.php/educacion/article/view/2890. Acesso em: 20 may. 2024.