TY  - BOOK
AU  - Wittrock,Jan
TI  - Reducing Seasonal Unemployment in the Construction Industry: Methods of Stabilising Construction Activity and Employee Income
T2  - Developing Job Oportunities ; 
PY  - 1967///
CY  - París : 
PB  - Organisation for Economic Co-operation and Development, 
KW  - TITULO
KW  - DESEMPLEO TEMPORARIO
ER  -