@BOOK{ Book!D - 69443272,
AUTHOR = "By Helen Mary Walker",
TITLE = "Mathematics essential for elementary statistics;a self-teaching manual.",
LIBRARY= "كتابخانه دانشكده ادبيات دانشگاه تهران",
SUBJECT = "Mathematics,Mathematics--Problems, exercises, etc.,Statistics.",
URL = "/book/69443272/Mathematics-essential-for-elementary-statisticsa/"}