World development indicators: 2011 

 - Washington  The World Bank  2011 
 - xxiii,435p. 
<br/><br/><label>ISBN: </label> RS 3765.00 (USD 75.00) 
<br/><br/><label>Source: </label> RS 3765.00 (USD 75.00) 
<br/><br/><label>Dewey Class. No.: </label>332.153 WOR