White Douglas <br/><br/>
Operational research techniques 
White Douglas; Donaldson William; Lawrie Norman 
 -  1974 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>21278 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2893, L4.2