/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: mariodelarocha4 https://cdn.slidesharecdn.com/profile-photo-mariodelarocha4-48x48.jpg?cb=1523494866 Mario Azael Zamora De La Rocha Ing. Civil egresado de la UACJ "Suma amistades, resta dificultades"