DUFVA, H.; SUNI, M.; ARO, M.; SALO, O.-P. Languages as objects of learning: Language learning as a case of multilingualism. Apples - Journal of Applied Language Studies, [S. l.], v. 5, n. 1, p. 109–124, 2011. Disponível em: https://apples.journal.fi/article/view/97818. Acesso em: 22 nov. 2024.