@BOOK{ Book!D - 91090509,
AUTHOR = "",
TITLE = "Longman essential activator",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه حکیم سبزواری",
SUBJECT = "، Vocabulary,Usage ، English language,Study and teaching ، English language,Dictionaries ، English language",
URL = "/book/91090509/Longman-essential-activator/"}