_Interllectual disability Understanding its development,causes,classification,evaluation and treatment James C Harris  

 - New York Oxford 2005  
 - 429p.  
<br/><br/> Includes index.   Includes index.  
<br/><br/><label>ISBN: </label>9.7801951789e+012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Disability 
<br/><br/><label>LC Class. No.: </label>RC570 .H373 2005