Vol. 51, N° 91: Mayo - Agosto (2003) http://bdigital2.ula.ve:8080/xmlui/654321/15780 Wed, 12 Aug 2026 20:32:59 GMT 2026-08-12T20:32:59Z Vol. 51, N° 91: Mayo - Agosto (2003) http://localhost:8080/xmlui/bitstream/id/73decc40-f5e4-446e-863d-eefdd262d586/ http://bdigital2.ula.ve:8080/xmlui/654321/15780