HARPER, W.M. <br/><br/>
Operational Research 

 -  Plymouth, Macdonald & Evans  1975 
 - 301 p. 
<br/><br/><label>ISBN: </label>0000071215145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operational research : mathematics
<br/><br/><label>Dewey Class. No.: </label>519.28  / H16