File registro masivo.pdf Education, Informative. Manual para el registro masivo de obras en pruebas de SafeCreative. CC by-nc-sa. Download allowed. 2026-06-09T05:47:46Z 2026-06-09T05:47:46Z Creative Commons Attribution Non-Commercial Share Alike 3.0 2008-07-15T15:22:31Z 2008-07-15T15:22:31Z July 15, 2008 at 3:22:31 PM UTC 2008-07-15T15:22:31Z