OWLER,L.W.J <br/><br/>
Weldon's costing simplified 

 - 6th Ed 
 - London.  Pitman Pub, GB  1987 
 - (ix),372p. 
<br/><br/><label>ISBN: </label>273027662 
<br/><br/><label>Dewey Class. No.: </label>657.42