AGASTRY M. P. <br/><br/>
ENGINEERING ECONOMICS AND COSTING 2ND ED. 

 -  SCITECH PUBLICATIONS PVT. LTD.  2009 
 - 199 
<br/><br/><label>ISBN: </label>9790000000000 
<br/><br/><label>Dewey Class. No.: </label>331.1