Dybwad Gunnar <br/><br/>
Challenges in mental retardation 

 -  1964 
<br/><br/><label>Standard No.: </label>83,735 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S62, K4