Gupta P K Hira  D S  <br/><br/>
Problems in operation Research  Textual Documents  
Gupta P K Hira  D S  
 - 1st ED 
 -  S. Chand & Com. Pvt. Ltd  1991 
 - 1293 
<br/><br/><label>ISBN: </label>978-81-219-0968-6   
<br/><br/><label>Dewey Class. No.: </label>003