Proceedings of the second international congress on orthopedagogics :
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Amsterdam,
1960.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/542B0552-E173-4F24-9BDE-39DC65769B20 |
| Published: | 1960. |
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