Piaget's theory of intellectual development; an introduction
[by] Herbert Ginsburg and Sylvia Opper.
- Englewood Cliffs, N.J., Prentice-Hall [1969]
- xi, 237 p. illus.
- The Prentice-Hall series in developmental psychology .
Bibliographical footnotes.
013493017X
Piaget, Jean, 1896-1980.
Cognition in children. Intellect. Education--Philosophy.