World concerns and the United Nations 
By the United Nations 
 - New York  UNITED NATIONS  1983 
 - 239p. :ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATIONAL TESTS AND MEASUREMENTS <br/>EDUCATION,HIGHER--STUDY AND TEACHING<br/>EDUCATION, ELEMENTARY--STUDY AND TEACHING
<br/><br/><label>LC Class. No.: </label>UNO(02)