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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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17 feb 1969 año - Hizo la piblicación de "Psicología y pedagogía"
Añadido al timeline:
Biografía de Jean Piaget
By
Yenym Tinjaca
2 oct 2017
0
0
768
fecha:
17 feb 1969 año
Ahora mismo
~ 56 years ago
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