Inhelder Barbel <br/><br/>
Learning and the development of cognition. 

 - London  Routledge & Kegan Paul      1974 
 - xiv,308p.  cm. 
<br/><br/><label>Standard No.: </label>34039 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:437, L4