World Bank <br/><br/>
World development report 2011  World development report 2011, Washington : The world Bank, 2011 
World Bank 
 - Washington  The world Bank  2011 
<br/><br/><label>ISBN: </label>978-0-8213-8439-8 
<br/><br/><label>Dewey Class. No.: </label>330.93