Logical thinking in children research based on Piaget's theory

Bibliographic Details
Main Author:	Sigel, Irving E.
Other Authors:	Hooper, Frank H., Piaget, Jean 1896-
Format:	Book
Language:	English
Published:	New York Holt, Rinehart and Winston [c1968]
Subjects:	Piaget, Jean > 1896-. Conservation of substance (Psychology) Child psychology.