Mundel, Marvin E <br/><br/>
Motion and time study  improving productivity 

 - 2nd edition 
 - Prentice hall of India private limited, New Delhi  1981 
 - xvii, 750 
<br/><br/><label>ISBN: </label>0-87692-188-8 
<br/><br/><label>Dewey Class. No.: </label>658.542 Mun