La durée du travail dans les P.T.T
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Bureau international du Travail,
1935.
Genève : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/12C3EEC4-5B78-44A1-9AD4-FDF039294AB6 |
| Published: | 1935. |
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