Rohwer,william D. <br/><br/>
Understanding intellectual development :  three approaches to theory and practice / 
William D.Rohwer. 
 - ed. 
 - Hinsdale :  The dryden press,  1974. 
 - 427  p. :  ill ;    cm. 
<br/><br/>includes index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>psychology.