Kothari, CR. <br/><br/>
Introduction to operational reseach 

 - 3rd rev. enl. ed. 
 - Delhi  Vikas  1982 
 - xv,522p.  23 cm. 
<br/><br/><label>ISBN: </label>0706985672 
<br/><br/><label>Dewey Class. No.: </label>658.4034,  / D, kot