George S. Baroff <br/><br/>
Mental Retardation: Nature, Cause and Management 

 - New York  John Wiley and Sons  1974 
 - i-xvi + 504 hlm 
<br/><br/><label>ISBN: </label>0-470-01370-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education (Pendidikan) E-D-U --Psikologi--Nature, Cause and Management