Gupta, <br/><br/>
Operations Reserarch  Textual Documents 
Prem Kumar Gupta , D.S.Hira 
 - Ist ed - 1976. 
 - New Delhi:  S,Chand & Company Pvt Ltd. 
 - 1498p:  25cm. 
<br/><br/><label>ISBN: </label>978-81-219-0281-6 
<br/><br/><label>Subjects--Index Terms: </label>Operations Reserarch G - Statistics 
<br/><br/><label>Dewey Class. No.: </label>311.2