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[็พ] ็น้.่ดนๅพทๅง๏ผTerry J. Fadem๏ผ
The First Word: The Search for the Origins of Language
Christine Kenneally
Second Language Acquisition and Universal Grammar
Lydia White
Routledge Encyclopedia of Language Teaching and Learning
Michael Byram & Adelheid Hu
Grammar of Spoken and Written English
Douglas Biber & Stig Johansson & Geoffrey Leech & Susan Conrad & Edward Finegan