Keys, Paul,  1954- <br/><br/>
Operational research and systems :  the systemic nature of operational research / 
Paul Keys 
 - New York :  Plenum Press,  c1991 
 - xiii, 267 p. :  ill. ;  24 cm. 
 - Contemporary systems thinking .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0306436426 :  USD 59.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research<br/>System analysis
<br/><br/><label>Dewey Class. No.: </label>003