@BOOK{ Book!D - 104535552, AUTHOR = "A. J. Thomson and A. V. Martinet", TITLE = "A practical English grammar", LIBRARY= "کتابخانه مرکزی و مرکز نشر دانشگاه بیرجند (دکتر محمد حسن گنجی)", SUBJECT = "، English language - Textbooks for forigners,، English language - Grammar", URL = "/book/104535552/A-practical-English-grammar/"}