Vol. 13, N° 1: Enero - Junio (2021) http://bdigital2.ula.ve:8080/xmlui/654321/6303 2026-08-13T20:57:21Z 2026-08-13T20:57:21Z Editorial http://bdigital2.ula.ve:8080/xmlui/654321/26059 2026-07-10T16:07:39Z 2021-06-28T00:00:00Z Editorial 2021-06-28T00:00:00Z