STRUGIELSKA, A.; PIĄTKOWSKA, K. Challenges with defning competence for foreign language learning and teaching on the basis of the Common European Framework of Reference***. Theoria et Historia Scientiarum, [S. l.], v. 15, p. 21, 2018. DOI: 10.12775/ths.2018.002. Disponível em: https://apcz.umk.pl/THS/article/view/ths.2018.002. Acesso em: 18 jul. 2024.