Gupta, Prem Kumar. <br/><br/>
Problems in operations research : ( principles and solutions) /  
Prem Kumar Gupta. 
 - 3rd ed. /   . 
 - New Delhi :   S Chand ,   1991. 
 - vii ,1020p. :   ills.,diag., ;   22cm .  
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<br/><br/><label>ISBN: </label> Rs. 60.00 (Pbk) 
<br/><br/><label>Subjects--Index Terms: </label>OPERATION RESEARCH 
<br/><br/><label>Dewey Class. No.: </label>003  / GUP/P