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Spectapro is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License

Authors who publish with Spectapro agree to the following terms:

1. The journal allows the author to hold the copyright of the article without restrictions.
2. The journal allows the author(s) to retain publishing rights without restrictions
3. The legal formal aspect of journal publication accessibility refers to Creative Commons Attribution ShareAlike 4.0 International License (CC BY-SA).