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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 dic 1919 anni - Trabaja en el laboratorio de Alfred Binet. Estandariza pruebas de inteligencia.
Aggiunto al nastro di tempo:
Jean Piaget
By
Emma Muñoz
14 ott 2018
0
0
516
Data:
31 dic 1919 anni
Adesso
~ 105 years ago
Immagini:
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