TRIPATHY  Kumar  Pradip <br/><br/>
Operations Research  Methods and  Practice 

 -  Kalyani Publications ,  2008 
 - 831p 
<br/><br/><label>ISBN: </label>978-81-272-4453 
<br/><br/><label>Dewey Class. No.: </label>658.4034  / TRI/O