Improving the living environment for a sustainable future 
/ by the United Nations 
 - New York :   United Nations,  1992. 
 - ii, 53 pages : illustrations 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SUSTAINABLE DEVELOPMENT--DEVELOPING COUNTRIES<br/>SUSTAINABLE DEVELOPMENT--ARAB REGION<br/>HUMAN SETTLEMENT--DEVELOPING COUNTRIES
<br/><br/><label>LC Class. No.: </label>UNO(02)1992/6