ºÝºÝߣshows by User: richardbandagavilanes / http://www.slideshare.net/images/logo.gif ºÝºÝߣshows by User: richardbandagavilanes / ºÝºÝߣShare feed for ºÝºÝߣshows by User: richardbandagavilanes https://cdn.slidesharecdn.com/profile-photo-richardbandagavilanes-48x48.jpg?cb=1523471989 Doctor en Geologia y Mineralogia Moscú 2005 Funcionario del Servicio Geològico Ecuatoriano y Agencia de Regulación y Control Minero