@BOOK{ Book!D - 91698172,
AUTHOR = "AZAR,BETTY SCHRAMPFER",
TITLE = "Understanding & using english grammar",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی امیرکبیر",
SUBJECT = " ENGLISH LANGUAGE-TEXTBOOKS FOR FOREIGN  , ENGLISH LANGUAGE-GRAMMAR-1950-  ",
URL = "/book/91698172/Understanding-using-english-grammar/"}