| 1.
図書 |
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Jean Piaget ; translated from the French by G.E.T. Holloway and M.J. Mackenzie
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| 2.
図書 |
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Jean Piaget and Bärbel Inhelder ; translated from the French by Arnold J. Pomerans
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| 3.
図書 |
図書
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with contributions by Jean Piaget ... [et al.] ; edited by Maria W. Piers
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| 4.
図書 |
図書
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Jean Piaget ; translated by A. J. Pomerans
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| 5.
図書 |
図書
|
Jean Piaget
|
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| 6.
図書 |
図書
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par Jean Piaget et Bärbel Inhelder
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| 7.
図書 |
図書
|
Jean Piaget
|
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| 8.
図書 |
図書
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par Jean Piaget
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