Using the Common European Framework of Reference to Facilitate Score Interpretations for Young Learners' English Language Proficiency Assessments ELL TOEFL ESL CEFR
Wolf, Mikyung Kim; Butler, Yuko Goto (eds.) English Language Proficiency Assessments for Young Learners. Innovations in Language Learning and Assessment at ETS, Volume 2. New York, NY: Routledge, 2017, 136-152