Cleland, Charles Carr. <br/><br/>
Mental retardation  a developmental approach 
Charles Carr Cleland. 
 - Englewood Cliffs, N.J.  Prentice-Hall  c1978. 
 - xx, 375 p.  ill. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label> 13.95 
<br/><br/><label>LCCN: </label>77024607 //r872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Retardation<br/>Mentally handicapped--Care.