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15 feb 1920 anni - Perfeccionamiento de la prueba de CI

Descrizione:

Participó en el perfeccionamiento de la prueba de Inteligencia de C.I. (Cociente Intelectual) desarrollado por Stern

Aggiunto al nastro di tempo:

Biografía de Jean Piaget

ByYenym Tinjaca

2 ott 2017

0

0

768

Data:

15 feb 1920 anni

Adesso

~ 105 years ago

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