Houlden B T Ed. <br/><br/>
Techniques of operational research 

 -  1962 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>21149 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2893, K2;2