Gupta, Prem Kumar <br/><br/>
Operations Research. 
By Prem Kumar Gupta & D S Hira 
 - 7th Rev. Ed.   Rep. 
 - New Delhi:  SChand & Company Pvt. Ltd,  2014. 
 - 1498p.:  25cm. 
<br/><br/>Appendics, Biblography & Index. 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Subjects--Index Terms: </label>Analysis. Mathematic Research Mathology 
<br/><br/><label>Dewey Class. No.: </label>515.23