Philadelphia workers in a changing economy .
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
Philadelphia
University of Pennsylvania Press
[1956].
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| Col·lecció: | Industrial Research Dept. Wharton School of Finance & Commerce, University of Pennsylvania. Resaerch studies,38
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| Matèries: |