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2 janv. 1936 - Publicó el libro en 1936 Ejerce la docencia como profesor de psicología y de sociología en la Universidad de Lausanne, Suiza hasta 1951.

Ajouté au bande de temps:

Jean Piaget

ByEmma Muñoz
14 oct. 2018
0
0
516

Date:

2 janv. 1936
Maintenaint
~ Il y a 89 ans

Les images:

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