@BOOK{ Book!D - 100792550, AUTHOR = "/ A. J. Thomson, A. V. Martinet", TITLE = " practical English grammar", LIBRARY= "کتابخانه دانشکده زبان ها و ادبیات خارجی (دانشگاه تهران)", SUBJECT = "English language -- Textbooks for foreign speakers,English language -- Grammar -- Problems, exercises, etc", URL = "/book/100792550/A-practical-English-grammar/"}