1. Insights and illusions of philosophy
Author: Jean Piaget; translated from the French by Wolfe Mays,Title
Library: Publishing Library of Samt (Tehran)
Subject: Philosophy and science,Insight
Classification :
B
.
P5313
29
1972
2. <The> child's conception of physical causality
Author: by Jean Piaget,Title
Library: Publishing Library of Samt (Tehran)
Subject: Causation,Physics,Child psychology
Classification :
BF
.
P43
721
1966
