Cleland, Charles C. <br/><br/>
The profoundly mentally retarded / 
by Charles C. Cleland 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1979 
 - 211 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0137295669 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped<br/>Mentally handicapped--Care and treatment<br/>Mentally handicapped--Rehabilitation<br/>Mental retardation