| 1.
図書 |
図書
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Jean Piaget
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| 2.
図書 |
図書
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Jean Piaget ; mit einer einführung von Hans Aebli
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| 3.
図書 |
図書
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Jean-Claude Bringuier
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| 4.
図書 |
図書
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Jean Piaget, Bärbel Inhelder
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| 5.
図書 |
図書
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par Jean Piaget ... [et al.] ; avec la collaboration de Catherine Fot ... [et al.]
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| 6.
図書 |
図書
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by Jean Piaget ; [translated by Joan and Andrew Tomlinson]
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| 7.
図書 |
図書
|
Jean Piaget
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| 8.
図書 |
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by Jean Piaget ... [et al.] ; with the collaboration of Catherine Fot ... [et al.]
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| 9.
図書 |
図書
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Antonio M. Battro ; preface by Jean Piaget ; translated and edited by Elizabeth Rütschi-Herrmann and Sarah F. Campbell
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| 10.
図書 |
図書
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edited by Irving E. Sigel, Frank H. Hooper ; with foreword by Bärbel Inhelder
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