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Meet the books of Professor Cortella: amzn.to/2vt0Ef8
Professor Cortella reminds Heraclitus to say that a man never returns to the same river. He also explains the difference between what is old and what is old, new and new.
FOLLOW THE OFFICIAL CHANNELS OF PROFESSOR CORTELLA ON OTHER SOCIAL NETWORKS:
-INSTAGRAM - / cortellaoficial
-FACEBOOK - / mariosergiocortella
-LINKEDIN - / mscortella-consultoria
-TWITTER - / cortellaoficial