International Labour Office <br/><br/>
International Labour Reviw: 
International Labour Office 
 - Volume 120.No. 4. 
 - Geneva.  International Labour Office  c1981. 
 - 530p.: 
<br/><br/><label>ISBN: </label>9221027597 
<br/><br/><label>Dewey Class. No.: </label>331.1 INT