KHANNA,O.P. <br/><br/>
A Text Book Of Mechanical Estimating And Costing 
by O.P.Khanna 
 - N.Delhi  Dhanpat  Rai & Co. (p) Ltd.  1999 
 - 334 p. 
 -  - .
<br/><br/><label>Dewey Class. No.: </label>621.0299