장 피아제

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Adaptation and Intelligence

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A formação do símbolo na criança

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Barnets själsliga utveckling

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Behavior and Evolution

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Biologie et connaissance

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CHILD AND REALITY, THE

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Cos'e la psicologia

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Cos'e la psicologia

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Das Verhalten - Triebkraft der Evolution

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Epistémologie des sciences de l'homme