/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: celiamariaalvesalves3 https://cdn.slidesharecdn.com/profile-photo-celiamariaalvesalves3-48x48.jpg?cb=1578578758 UNIVERSIDAD COLUMBIA DEL PARAGUAY FILIAL - PEDRO JUAN CABALLERO MAESTRIA EN CIÊNCIAS DE LA EDUCACION MESTRANDO CÉLIA MARIA ALVES