@inbook{6b1bfd010d2e4dfb9a730d296af74258,
title = "A study of the Cambridge Proficiency in English (CPE) exam washback on textbooks in the context of Cambridge ESOL exam validation",
keywords = "Cambridge Proficiency in English",
author = "Roger Hawkey",
year = "2009",
month = jan,
day = "1",
language = "English",
isbn = "9780521163910",
series = "Studies in Language Testing",
publisher = "Cambridge University Press",
number = "31",
pages = "326--343",
booktitle = "Language Testing Matters: Investigating the wider social and educational impact of assessment",
address = "United Kingdom",
}