International Labour Organization <br/><br/>
Introduction to work study 

 - 3 Ed. 
 - New Delhi  Oxford and IBH Publishing Co.  2010 
 - 411 
<br/><br/><label>ISBN: </label>81-204-0602-8 
<br/><br/><label>Dewey Class. No.: </label>658.542  / ILO/INT