Lista de Personas Famosas llamadas Ethevaldo
Ethevaldo Mello de Siqueira
Ethevaldo Mello de Siqueira is a noted Brazilian journalist, science writer, consultant and publisher, specializing in new technologies. He has written a weekly column on the subject for the O Estado de S. Paulo newspaper, since 1967, is a collaborator of Veja magazine and a commentator on Rádio CBN, since 2006, with a daily column called Digital World.
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