Gardner, William I. <br/><br/>
Behavior modification in mental retardation 
the education and rehabilitation of the mentally retarded adolescent and adult /  by William I. Gardner 
 - Atherton : Chicago :  Aldine,  1971 
 - ix, 379 p. :  illus. ;  25 cm. 
<br/><br/>Bibliography : p. 361-372 
<br/><br/><label>ISBN: </label>0202250008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped--Rehabilitation<br/>Mentally handicapped--Behavior modification