Martin Kohn <br/><br/>
Social competence, symptoms and underachievement in childhood : a longitudinal perspective 

 - John Wiley & Sons, New York  1977 
 - xx,288p tabs 
<br/><br/><label>ISBN: </label>0-470-99151-8 
<br/><br/><label>Dewey Class. No.: </label>136.7 Koh