Slausen Johs <br/><br/>
Ability structure and subgroups in mental retardation 

 -  1966 
<br/><br/><label>Standard No.: </label>83,363 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S6:7:6c, K6