Harper, W. M.  1926- <br/><br/>
Operational research 

 - 2nd ed. 
 - Plymouth  Macdonald & Evans  1982 
 - x, 310 p.  18cm 
 - The M & E handbook series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>658.4  / 034