/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ValeriaRamirezOrbegoso https://cdn.slidesharecdn.com/profile-photo-ValeriaRamirezOrbegoso-48x48.jpg?cb=1629840089 Egresada de Ingeniería Geológica de la Universidad Nacional Mayor de San Marcos