SCHNEIDER, Günther. The «Common European Framework of References for Languages» as the Basis for Standards in Foreign Languages – Methodological Issues in Developing and Adapting Descriptors of Language Proficiency. Swiss Journal of Educational Research, Bern, v. 27, n. 1, p. 13–36, 2005. DOI: 10.24452/sjer.27.1.4694. Disponível em: https://sjer.ch/article/view/4694. Acesso em: 5 feb. 2025.