Isaacs, Nathan. <br/><br/>
The growth of understanding in the young child :  a brief introduction to Piaget's work / 
Nathan Isaacs. 
 - London :  Ward Lock Educational,  c1961. 
 - 41 p. 
<br/><br/><label>ISBN: </label>0706232631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology.<br/>Piaget, Jean, 1896-1980.