Gupta, Prem Kumar; Hira, D S. <br/><br/>
Problems in operations research: principles and solutions.  Principles and solutions. 

 - 1 
 - New Delhi  S Chand and Company Ltd  2005 
 - 1078 
<br/><br/><label>ISBN: </label>8121909686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations Research
<br/><br/><label>Dewey Class. No.: </label>003 GUPP