/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: MarioMayaOntiveros https://cdn.slidesharecdn.com/profile-photo-MarioMayaOntiveros-48x48.jpg?cb=1705286885 Centro de Estudios Tecnológicos Industrial y de Servicios No. 28. Escuela de Nivel Medio Superior www.cetis28.edu.mx