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., table  21cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>8121909686 ;9788121909686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.
<br/><br/><label>Dewey Class. No.: </label>3.076  / GUP 1991