Internation labour office geneva <br/><br/>
International labour  organisation/  wages a workers education manual 

 - 2nd 
 - Switzerland   International  labour office grneva   c1982 
 - vii,175p.; 
<br/><br/><label>ISBN: </label>922102961 
<br/><br/><label>Dewey Class. No.: </label>331.21