- New York :  United Nations,  1962 
 - iii, 27 p. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development--Social aspects
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.953