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19 janv. 1931 - Publico "El lenguaje y el pensamiento en el niño"
Ajouté au bande de temps:
Biografía de Jean Piaget
By
Yenym Tinjaca
2 oct. 2017
0
0
769
Date:
19 janv. 1931
Maintenaint
~ Il y a 94 ans
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