Non-observed economy in national accounts :  survey of national practices / 
United Nations. Economic Commission for Europe. 
 - New York :  Geneva :  UN,   2003-. 
 - v . ;  30 cm. 
 - Statistical standards and studies,   no. 55. .
 - Statistical standards and studies,  no. 55. .
<br/><br/><label>ISBN: </label>3211168821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Informal sector (Economics)--Europe--Periodicals--Statistics