Classification By Broad Economic Catagories: Satistical Papers - Series M,No.53,Rev.2 

 - U.N  New York  1986 
 - 68p 
 - Classification By Broad Economic Catagories .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>380.1012/SITC