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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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22 marzo 1820 anni - La Pedagogía positivista de Spencer
Aggiunto al nastro di tempo:
pedagogía
By
Jesús Izea
8 nov 2018
0
0
362
Data:
22 marzo 1820 anni
Adesso
~ 205 years ago
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