Logical thinking in children; research based on Piaget's theory /

Bibliographic Details
Main Author:	Sigel, Irving E.
Other Authors:	Hooper, Frank H., Piaget, Jean, 1896-1980
Format:	Book
Language:	English
Published:	New York : Holt, Rinehart and Winston, [1968]
Subjects:	Piaget, Jean, > 1896-1980. Conservation of substance (Psychology) Child psychology.

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