Davies Max Ed. <br/><br/>
Operational reserach in practice 

 -  1958 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>21668 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B28930MV48, J8