Gupta, Premkumar . <br/><br/>
Problems in Operations Research: Principles and Solutions /  Textual Documents 
Premkumar Gupta & D.S. Hira. 
 - 1st ed. / 
 - New Delhi :  S. Chand & Company ,  1997. 
 - 1078p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics-Operations Research Operations Research G-Statistics 
<br/><br/><label>Dewey Class. No.: </label>311  / Gu 959 Pr