Dwivedi,D.N. <br/><br/>
Managerial economics/by D.N. Dwivedi 

 - 6th ed 
 - New Delhi  Vikas Publishing house  2004 
 - 650p. 
<br/><br/><label>ISBN: </label>8125910042 
<br/><br/><label>Dewey Class. No.: </label>658.407  D969M