Ginsburg, Herbert <br/><br/>
Piaget's theory of intellectual development :  an introduction / 
by Herbert Ginsburg and Sylvia Opper 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1969 
 - xi, 237 p. :  ill. ;  24 cm. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>ISBN: </label>013493017X 
<br/><br/><label>LCCN: </label>76-076312 //r85 
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition in children<br/>Intellect<br/>Education--Philosophy