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apr 30, 1930 - "El Desarrollo de las Cantidades Físicas en el Niño". "De la lógica del niño a la lógica del Adolescente"
Added to timeline:
Jean Piaget
By
Emma Muñoz
14 Oct 2018
0
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533
Date:
apr 30, 1930
Now
~ 96 years ago
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