1.
図書 |
sous la direction de Paul Fraisse et Jean Piaget
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2.
図書 |
Fraisse, Paul ; Piaget, Jean, 1896-1980
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3.
図書 |
Jean Piaget
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4.
図書 |
Jean Piaget, Bärbel Inhelder
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5.
図書 |
Bärbel Inhelder, Jean Piaget
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6.
図書 |
by Jean Piaget ; preface by E. Claparède ; [translated by Marjorie Gabain]
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7.
図書 |
par Jean Piaget, Bärbel Inhelder, et Alina Szeminska
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8.
図書 |
par Jean Piaget
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9.
図書 |
Jean Piaget
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10.
図書 |
by Jean Piaget ; translated by Eleanor Duckworth
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