@BOOK{ Book!D - 72325154,
AUTHOR = "Sawyer , Walter Warwick, 1191-",
TITLE = "Vision in elementary mathematics",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه الزهراء (س)",
SUBJECT = "، Mathematics- Popular Works",
URL = "/book/72325154/Vision-in-elementary-mathematics/"}