I L O <br/><br/>
Work study 
I L O 
 - 3rd 
 - New Delhi  Pearson  2001 
 - xiv,411p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work study
<br/><br/><label>Dewey Class. No.: </label>658.542 I261I