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28 juill. 1920 - Realiza trabajos sobre psiología del niño en el Instituo Jean-Jacques Rousseau
Ajouté au bande de temps:
Jean Piaget
By
Emma Muñoz
14 oct. 2018
0
0
516
Date:
28 juill. 1920
Maintenaint
~ Il y a 105 ans
Les images:
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