/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: erwin7_12 https://cdn.slidesharecdn.com/profile-photo-erwin7_12-48x48.jpg?cb=1522842499 http://www.slideshare.net/signup?from=download&from_source=http%3A%2F%2Fwww.slideshare.net%2FDecimo%2Farquitectura-3-capas%3Fnocache%3D9159&download_id=483382-9029fa070c21bea43a3180d1117d098b4c51af05-slideshow