@BOOK{ Book!D - 77773551,
AUTHOR = "Spencer, Duncan Hugh",
TITLE = "English proficiency",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Composition and exercises ، English language,0591- ، Readers",
URL = "/book/77773551/English-proficiency/"}