@BOOK{ Book!D - 99049543,
AUTHOR = "/ Pref. de Jean Piaget,Nassefat",
TITLE = "Etude quantitative sur l’evolution des operations intellectuelles; le passage des operations concretes aux operations formelles",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه تهران",
SUBJECT = "Intellect,Mental tests",
URL = "/book/99049543/Etude-quantitative-sur-levolution-des-operations/"}