Gupta, Prem Kr . <br/><br/>
Problems in Operation Research Principles and Solutions /  Textual Documents 
Prem Kr Gupta&D S Hira. 
 - reprint / 
 - New Delhi :  S Chand & Co Ltd ,  2007. 
 - 1171p. ;  25cm.. 
<br/><br/><label>ISBN: </label>81-219-0966-6 
<br/><br/><label>Subjects--Index Terms: </label>Operation Research G-Statistics 
<br/><br/><label>Dewey Class. No.: </label>310  / Gu 959 Pr