Een noodzakelijke verandering in de taak van de school :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Groningen,
1955.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/066480A8-885E-4CF3-A042-E06CF8AD3EB3 |
| Published: | 1955. |
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