Statistical data editing / 
United Nations Statistical Commission and Economic Commission for Europe. 
 - New York ;  Geneva :  United Nations,  2006. 
 - t. 
<br/><br/> Vol. 3 (2006, 366 p.) 
<br/><br/><label>ISBN: </label>978-92-116952-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն