| 1.
図書 |
図書
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by Jean Piaget, Bärbel Inhelder and Alina Szeminska ; translated from the French by E.A. Lunzer
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| 2.
図書 |
図書
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editors, Bärbel Inhelder and Harold H. Chipman ; Charles Zwingmann, coordinating editor ; with contributions by members of the faculty of the Faculté de psychologie et des sciences de l'éducation, University of Geneva, Jean Piaget ... [et al.]
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| 3.
図書 |
図書
|
Jean Piaget and Bärbel Inhelder ; translated from the French by Helen Weaver
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