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

 - London:   Methuen & Co Ltd,   1965 
 - 153p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business management
<br/><br/><label>Subjects--Index Terms: </label>Techniques  Organization  
<br/><br/><label>Universal Decimal Class. No.: </label>658.511:519.28  / K5