KAROLCZUK, M. Qualifications for teaching two foreign languages as an educational challenge. Linguodidactica, [S. l.], v. 19, p. 123–139, 2015. DOI: 10.15290/lingdid.2015.19.09. Disponível em: https://czasopisma.filologia.uwb.edu.pl/index.php/l/article/view/470. Acesso em: 3 may. 2024.