Gupta, Prem kumar. <br/><br/>
Operations research /  
Prem kumar Gupta and D. S. Hira. 
 - New Delhi :   Sultan Chand ,   2007. 
 - xvi,1055p. :   ill.,tables,fig. ;   21cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>8121902819  Rs. 425.00 
<br/><br/><label>Subjects--Index Terms: </label>OPERATIONS RESEARCH 
<br/><br/><label>Dewey Class. No.: </label>003  / GUP/O