Piaget and conceptual development
Subtitle: with a cross-cultural study of number and quantity
By: D. M. G. Hyde.
Publisher: Holt, Rinehart & Winston
Published: 1970
Place of publication: London; New York
Number of pages: 246
Subjects: Piaget, Jean, -- 1896-1980; Cognition in children; Psychological tests
Notes: Bibliography : p. 221-231.