Over de paedagogische observatie van het moeilijk opvoedbare kind
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
[S.l.],
1952.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/814978B3-07B6-4C80-8CBB-DE64C2443CFB |
| Published: | 1952. |
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