De vijfdaagse werkweek :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Utrecht,
1958.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/D9E96E18-CA94-4A74-B443-6ABFCCEC6A6F |
| Published: | 1958. |
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