Nagel, Stuart S <br/><br/>
Operations research methods / 
by Stuart S Nagel 
 - New Delhi :  Sage Publications,   1976. 
 - 76p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science
<br/><br/><label>Dewey Class. No.: </label>300.072  / NAG.O