@BOOK{ Book!D - 77729062,
AUTHOR = "Piaget, Jean",
TITLE = "The child's conception of space",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Child study,Drawing,Space-perception",
URL = "/book/77729062/The-childs-conception-of-space/"}