Assessing the handicaps and needs of mentally retarded children / 
Edited by Brian Cooper 
 - London :  Academic Press,  1981 
 - 269 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0121880206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped children<br/>Mental retardation--In infancy and childhood