Operations research/  theory an applications 
Sharma,J.K. 
 - 5th.ed 
 - New Delhi:  Macmillan publishers,  2013. 
 - 943 
<br/><br/><label>ISBN: </label>9789350593363 
<br/><br/><label>Dewey Class. No.: </label>658.072  / SHA/O