UUnderstanding language testingUnderstanding language testingde Dan DouglasMateriasExaminationsLanguage and languagesEdiciones (1)Understanding language testing (2009)Hodder Education · inglés · ISBN 9780340983430Más obras de Dan DouglasASSESSING LANGUAGE THROUGH COMPUTER TECHNOLOGYUUnderstanding language testingUnderstanding language testingAssessing language for specific purposes2000