Philadelphia workers in a changing economy .
| Autor principal: | |
|---|---|
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Philadelphia
University of Pennsylvania Press
[1956].
|
| Colección: | Industrial Research Dept. Wharton School of Finance & Commerce, University of Pennsylvania. Resaerch studies,38
|
| Materias: |