KARJALAINEN, K.; PÖRN, M.; RUSK, F.; BJÖRKSKOG, L. Classroom tandem – Outlining a model for language learning and ınstruction. International Electronic Journal of Elementary Education, [S. l.], v. 6, n. 1, p. 165–184, 2017. Disponível em: https://iejee.com/index.php/IEJEE/article/view/38. Acesso em: 17 oct. 2021.