Manual for the production of statistics on the information economy 

 - 2nd ed. 
 - New YorkUS  UN  2009 
 - 174 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MANUALS
<br/><br/><label>Universal Decimal Class. No.: </label>REF 19.02.09 U588