Ginsburg, Herbert <br/><br/>
Piaget's theory of intellectual development / 
Herbert Ginsburg, Sylvia Opper. 
 - 2nd ed. 
 - Englewood Cliffs, N.J :  Prentice-Hall,  1979. 
 - xvi, 253 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 239-244. 
<br/><br/><label>ISBN: </label>0136751407 0136751326 
<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