Gupta, P. K.  <br/><br/>
Problems in operations research :  methods and solutions / 
by P.K. Gupta, Man Mohan. 
 - New Delhi :  Sultan Chand & Sons,   1980. 
 - 861 pages :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.