Estrada, José Ramón2013-02-262013-02-2620111134-7627http://hdl.handle.net/10641/605spaAttribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/PrudenciaVirtudesFilosofía cristianajournal articleopen access