Seasonal unemployment in the construction industry. 

 - Geneva  ILO            1951 
 - iv,97p.  cm. 
<br/><br/> Appendix :93-97p.; Report.3 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>D3.594.N61, K1