Singh, Jagjit. <br/><br/>
Operations research / 
Jagjit Singh. 
 - London :  Penguin Books,  1971. 
 - 253 p. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>807 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.
<br/><br/><label>Dewey Class. No.: </label>510.11  / Op