TY  - SER
AU  - Diez-Bedmar, Maria Belen
TI  - Fine-Tuning Descriptors  for  Cefr B1 Level: Insights from Learner Corpora
KW  - Common European Framework of Reference  for  Languages (Cefr)
KW  - Assessment of Languages
KW  - European Language Portfolio (Elp)
ER  -