Compendium of social statistics and indicators :  Social indicators of the commission of sustainable development 
United Nations 
 - NewYork  UN  2007. 
<br/><br/> 6th issue,8th issue 
<br/><br/><label>ISBN: </label>9789211283181 
<br/><br/><label>Dewey Class. No.: </label>328.927 COM.P7