World Population Monitoring 2001 :  Population, environment and development / 
Department of economic and social affairs. Population division. 
 - New York :  United Nations,  2001. 
 - 80 p. 
<br/><br/><label>ISBN: </label>92-1-151359-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն