5 daagse schoolweek :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Staatsdrukkerij- en Uitgeverijbedrijf,
1963.
's-Gravenhage : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/44A7831B-3CF3-4C0B-AFE8-F586E70A930F |
| Published: | 1963. |
|---|