Owler, L.W.J. <br/><br/>
Wheldon's costing simplified 

 - 6th Ed. 
 - London  Pitman Publishing Ltd  1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMERCE
<br/><br/><label>Dewey Class. No.: </label>657.42/OWL/BRO