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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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10 feb 1919 año - Desarrolla su Teoría "La naturaleza del conocimiento"
Añadido al timeline:
Jean Piaget
By
Emma Muñoz
14 oct 2018
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516
fecha:
10 feb 1919 año
Ahora mismo
~ 106 years ago
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