BEINHOFF, Bettina. The Common European Framework of Reference for Languages: a European framework for foreign language speech development. Language Value, [S. l.], v. 6, n. 1, 2019. DOI: 10.6035/LanguageV.2014.6.5. Disponível em: https://www.e-revistes.uji.es/index.php/languagevalue/article/view/4787. Acesso em: 15 may. 2025.