The early growth of logic in the child : classification and seriation / by Bärbel Inhelder and Jean Piaget ; translated from the French by E.A. Lunzer and D. Papert.

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Papert, D.

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The early growth of logic in the child : classification and seriation / by Bärbel Inhelder and Jean Piaget ; translated from the French by E.A. Lunzer and D. Papert.