Open Access Policy

Extensio provides public access to all its content, based on the principle that free access to research promotes a greater global exchange of knowledge. Published manuscripts have no embargo period, and no user registration is required to access the content.

Authors grant Extensio the exclusive right of first publication, while the work is simultaneously licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0).

Authors may share and redistribute the published version of their work in any medium or format, including institutional repositories and personal websites, provided that proper credit is given to the authors and to the original publication in this journal. Commercial use is not permitted. If adaptations, transformations, or derivative works are created, they must be distributed under the same license, in accordance with the terms of the CC BY-NC-SA 4.0 License.

This license allows any user to:

Share — copy and redistribute the material in any medium or format.
Adapt — remix, transform, and build upon the material.
The licensor cannot revoke these freedoms as long as the license terms are followed.

Under the following terms:

a) Attribution — appropriate credit must be given, a link to the license must be provided, and any changes must be indicated, without suggesting endorsement by the licensor.

b) NonCommercial — the material may not be used for commercial purposes.

c) ShareAlike — if the material is remixed, transformed, or built upon, the resulting contributions must be distributed under the same license.

d) No additional restrictions — no legal terms or technological measures may be applied that restrict others from doing anything the license permits.