Dalela, Suresh and Saurabh <br/><br/>
Text book of Work Study and Ergonomics 

 - 5th 
 - New Delhi  Standard Publishers Distributors  1999 
 - 492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>620.82  / DAL