Payment of results 

 - Geneva  The Author           1951 
 - viii, 204p. Appendix p 184-94  cm. 
<br/><br/> International labour office, publication 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wages
<br/><br/><label>Dewey Class. No.: </label>X:93A:g, J1