1.
図書 |
par Jean Piaget et Bärbel Inhelder ; avec la collaboration de Hermine Sinclair-De Zwart
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2.
図書 |
Jean Piaget and Bärbel Inhelder ; translated from the French by Helen Weaver
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3.
図書 |
by Jean Piaget, Bärbel Inhelder and Alina Szeminska ; translated from the French by E.A. Lunzer
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4.
図書 |
Bärbel Inhelder and Jean Piaget ; translated by Anne Parsons and Stanley Milgram
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5.
図書 |
Jean Piaget and Bärbel Inhelder ; in collaboration with M. Bovet ... [et al.] ; translated from the French by P.A. Chilton
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