Istiay <br/><br/>
Mentally retarded children / 
Istiay 
 - New Delhi :  Chand and Company,  1977. 
 - 236p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>150  / IST.M