English as a Global Language, Second Editionde David CrystalMateriasEnglish language, foreign countriesEnglish language, social aspectsCommunication, internationalLanguage, universalEnglish languageInternational CommunicationUniversal LanguageEdiciones (1)English as a Global Language, Second Edition (2012)Cambridge University Press · ISBN 9781107611801
CCurrent Research into Specific Learning DifficultiesCurrent Research into Specific Learning Difficulties