/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ClaudiitaTorres https://cdn.slidesharecdn.com/profile-photo-ClaudiitaTorres-48x48.jpg?cb=1523147685 "La incomprensión del presente nace fatalmente de la ignorancia del pasado" Marc Bloch (1952, pág.38)