Aula Abierta is committed to the Diamond Open Access publishing model, ensuring free access to research results with maximum visibility. The Journal provides unrestricted access to all contents since the moment of electronic publication. This means that the journal provides unrestricted access to all of its content from the moment of its electronic publication. The entire editorial process, from peer review to publication, is funded by the University of Oviedo and no fees are charged to authors or readers.

Works published in Aula Abierta are subject to the following terms:

1. The Publications Service of the University of Oviedo (the publisher) retains the economic rights (copyright) of published works, and favors and allows the reuse of them under the license of use indicated in point 2. © Ediuno. Editions of the University of Oviedo.

2. The works are published in the electronic edition of the magazine under a Creative Commons Attribution-NonCoercial-NoDelayed Work 4.0 Spain license (legal text). They may be copied, used, disseminated, transmitted, and publicly exposed, provided that: (i) the authorship and the original source of its publication (magazine, editorial, and URL of the work) are cited; (ii) are not used for commercial purposes; (iii) they do not constitute a derivative work, (iv) the existence and specifications of this license of use are mentioned.

3. Auto-file conditions. Authors are authorized to self-archive articles in their postprint (editorial version) on personal or institutional websites, including a link to the magazine page and setting the full citation mode of the work. Open Classroom and its URL https://https://reunido.uniovi.es/index.php/AA/sue/current are the only sources authorized to reference the editor version in all articles correctly mentioned.

4. Articles from Aula Abierta are preserved in the repository of the University of Oviedo (RUO): https://digibuo.uniovi.es/dspace/page/visibility as well as in Dulcinea https://dulcinea.opensciencespain.org/ficha2229 

It is further stated that you have respected the ethical principles of investigation and be free from any conflict of interest.