Ploegenarbeid :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Contactgroep Opvoering Productiviteit,
1961.
's-Gravenhage : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/48010E37-2606-4857-9F3C-4BECBA3E52ED |
| Published: | 1961. |
|---|