Payment by  results 

 - Geneva  International Labour Office  1951 
 - 204p. 
 - Studies and reports new series  No.27 .
<br/><br/><label>ISBN: </label>9221000060 
<br/><br/><label>Subjects--Index Terms: </label>Labour law 
<br/><br/><label>Universal Decimal Class. No.: </label>347.431  / PAY