NIKOLAEVA, S. THE COMMON EUROPEAN FRAMEWORK OF REFERENCE FOR LANGUAGES: PAST, PRESENT AND FUTURE. Advanced Education, [S. l.], v. 6, n. 12, p. 12–20, 2019. DOI: 10.20535/2410-8286.154993. Disponível em: https://ae.fl.kpi.ua/article/view/154993. Acesso em: 4 may. 2024.