Baumal, Willaim J. <br/><br/>
Economic theory and operations analysis 

 - New Delhi  Prentice Hall of India  1987 
 - 696p. 
<br/><br/><label>ISBN: </label>0-87692-141-1 
<br/><br/><label>Dewey Class. No.: </label>658.403    Bal.M7