The development of a common framework scale of language proficiency /
Brian North.
- xviii, 459 pages ; 24 cm.
- Theoretical studies in second language acquisition ; vol. 8. .
- Theoretical studies in second language acquisition ; v. 8. .
Includes bibliographical references (pages 417-459).
0820448524 9780820448527
99045893
Language and languages--Ability testing Scaling (Social sciences) Communicative competence