The Virtual Classroom Magazine, in order to present over time the scientific productions published in our journal, has adopted the following Repositories; they are available on the WEB.

National Library of Venezuela.  (Library Network).  It is the National Library of Venezuela, which houses and guards all publications made by duly registered authors and organizations.

BIBLAT. Latin American Library. General Directorate of Libraries, National Autonomous University of Mexico (UNAM). It  is the national library of Mexico, among its purposes is the collection preservation of scientific productions of duly registered authors and organizations.

zenodo.org. It is a general-purpose open access repository developed under the European OpenAIRE program  and operated by CERN. It allows researchers to deposit research articles, datasets, research software, reports, and any other research-related digital artifacts. For each shipment, a persistent digital object identifier (DOI) is minted, making stored items easily citable.

The Aula Virtual Journal uses Open Journal Systems (OJS), working with PKP-PN (PKP-Preservation Network), all publications are automatically archived in LOCKSS (Lots of Copies Keep Stuff Safe) and CLOCKSS (Controlled Lots of Copies Keep Stuff Safe). ), thus guaranteeing a permanent and secure file over time.