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

 - GENEVA  I.L.O. Publication  1977 
 - 436 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Work study
<br/><br/><label>Dewey Class. No.: </label>658.542