Gupta, P.K. . <br/><br/>
Operations Research: An Introduction /  Textual Documents 
P.K. Gupta, D.S. Hira. 
 - 2nd rev. ed. / 
 - New Delhi :  S. Chand & Company ,  1986. 
 - viii, 918p. :  ill. ;  22cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Statistics-Operations research PG-Statistics 
<br/><br/><label>Dewey Class. No.: </label>311.2  / Gu 959 Op