※一部利用できない機能があります
1.
図書 |
edited by Bärbel Inhelder, Denys de Caprona, Angela Cornu-Wells
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2.
図書 |
Jean Piaget and Bärbel Inhelder in collaboration with Hermine Sinclair-de Zwart ; translated from the French by Arnold J. Pomerans
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3.
図書 |
Jean Piaget, Bärbel Inhelder
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