Verandering der didactiek op de lagere school in verband met de geestelijke volksgezondheid
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Amsterdam,
1937.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/82EB925C-DEB5-4341-8D14-538FDEF494BD |
| Published: | 1937. |
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