Harper, W.M. <br/><br/>
Operational research / 
W.M. Harper. 
 - London :  ELBS,  1982. 
 - x, 309p.  ill;  10 cm. 
<br/><br/>index present 
<br/><br/><label>ISBN: </label>0712115439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>research
<br/><br/><label>Dewey Class. No.: </label>300.72  / HAO 1988