Open Access

The journal is committed for the free dissemination of knowledges, thereby neither charge authors, nor readers. The journal is ruled under a Creative Commons de Reconocimiento (CC BY 4.0) licence. This means that you are free to share and adapt, provided that 1) credit must be properly acknowledged and reported if changes have been made to the original work. You may do so in any reasonable way, but not in a way that suggests that you or your use is endorsed by the licensor. 2) No legal or technological limitations may apply that restrict the use permitted by this license.

Copyright statement

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) License. When distributing or re-publishing the Work, the Author agrees to credit the Journal as the place of first publication.


The journal encourages to authors to share the final version of the article in public and private repositories as well as social nets.