BEILBY, M.H. <br/><br/>
Economics and operational research 
BEILBY, M.H. 
 - London  Pitman Publishing  1975 
 - 174 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>330 BEI 1975