Manual for the development of statistical information for disability programmes and policies / 
Department for Economic and Social Information and Policy Analysis, Statistics Division, Statistics on Special Population Groups. 
 - New York :  United Nations ,  1996. 
 - 119 p. 
 - ST/ESA/STAT/SER.Y  8 .
<br/><br/><label>ISBN: </label>92-1-161380-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն