Duckworth, W.E. <br/><br/>
Guide to operational research 

 - London  Methuen  1965 
 - 156p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical optimization<br/>Operations research - Guidebooks
<br/><br/><label>Dewey Class. No.: </label>003.1 DUC-;