/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: fisicaupc https://cdn.slidesharecdn.com/profile-photo-fisicaupc-48x48.jpg?cb=1563655512 I am Isidro Urbina Rodríguez. I am 60 years old. I work in Católica and Piloto universities of bogotá, Colombia I don´t have blog