Sterner, Richard. <br/><br/>
Social and economic conditions of the mentally retarded in selected countries /    
by Richard Sterner. 
 - New York :   International League of Societies for the Mentally Han dicapped,   1976. 
 - 58 p. ;    27 cm. 
<br/><br/>Includes bibliographical refernces (p.57-58). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic conditions.--------<br/>Social conditions.--------