Banga,T.R. Sharma, S.C. <br/><br/>
Mechanical Estimating And Costing 

 - 8th 
 - Delhi  Khanna Publishers  1986 
 - p.230 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estimating and Costing<br/>Project Planning
<br/><br/><label>Dewey Class. No.: </label>621.013 B216M