Sources and methods labour statistics   Estimates and projections of the Economically active population 1950-2010    

 - Geneva  ILO            1950 
 - x;564p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:9.1.P10<--N50r, P0.10