Gupta, Prem Kumar. <br/><br/>
Problems in operations research : principles and solutions / 
Prem Kumar Gupta and D.S. Hira. 
 - New Delhi :  S. Chand,  1991 
 - 1078 p. :  ill.  23 cm. 
<br/><br/><label>ISBN: </label>	8121909686 ;9788121909686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations Research.
<br/><br/><label>Dewey Class. No.: </label>3  / GUP