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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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9 mar 1975 año - Doctorado honoris causa por la universidad de CNNA
Añadido al timeline:
Biografía de Jean Piaget
By
Yenym Tinjaca
2 oct 2017
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769
fecha:
9 mar 1975 año
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~ 50 years ago
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