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Piaget, Jean. | Discours du directeur du Bureau international d'éducation
VIAF ID: 308162922 ( Unknown Name Type )
Permalink: http://viaf.org/viaf/308162922
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Piaget, Jean.
Language | Title | Expression | Sources |
---|---|---|---|
English | Address by the director of the International bureau of education | 1947 | |
English | Speech by the director of the International bureau of education | 1949 | |
German | Verfahren und Probleme der Konferenzarbeit | 1963 | |
German | Psychologische Bemerkungen zu den Themen der Konferenz | 1964 |