/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: osoivan https://cdn.slidesharecdn.com/profile-photo-osoivan-48x48.jpg?cb=1722030809 Geografo, Topografo, Geodesta, GIS, Sensores Remotos.. www.espe.edu.ec