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28 Feb 1921 Jahr - Inicia a trabajar en la Universidad de Ginebra en el instituto de Jean-Jacques Rousseau

Beschreibung:

Edouard Claparède y Pierre Bovet le ofrecen el puesto de jefe de trabajos prácticos

Zugefügt zum Band der Zeit:

Biografía de Jean Piaget

ByYenym Tinjaca

2 Okt 2017

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772

Datum:

28 Feb 1921 Jahr

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~ 104 years ago

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