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1. Copyright Ownership
   Authors retain the copyright of their work and grant the journal the right of first publication.
2. Licensing Policy
   All articles are published under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0).
3. Usage Rights
   Under this license, third parties are permitted to copy, distribute, and share the published material in any medium or format. They may also adapt, remix, and build upon the work for any purpose, including commercial use, provided that appropriate credit is given to the original authors and any derivative works are distributed under the same license.
4. Self-Archiving Policy
   Authors are allowed to deposit the published version of their articles in institutional repositories, personal websites, or other platforms, with proper acknowledgment that the work was first published in SPECTRA.