Bang T.R <br/><br/>
Mechanical Estimating and Costing 

 - New Delhi  Khanna Publications,New Delhi.  1977 
<br/><br/><label>ISBN: </label>0000007593 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MathematicsCosting  Estimating  Mechanical
<br/><br/><label>Dewey Class. No.: </label>621.033