Copyright

Authors who publish in Progressive Physics Journal (PPJ) agree to the following terms.

Copyright Retained by Authors

Authors retain the copyright of their articles without restriction. By submitting, authors grant Progressive Physics Journal (PPJ) the right of first publication, with the work simultaneously licensed under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0). This license allows others to share and adapt the work, provided that they credit the authors and the initial publication in PPJ and distribute any adapted work under the same license.

Rights of Authors

Because authors retain copyright, they are free to:

•     enter into separate, additional contractual arrangements for the non-exclusive distribution of the published version (for example, posting it in an institutional repository such as the Universitas Mulawarman repository, or including it in a book chapter), with an acknowledgment of its initial publication in PPJ;

•     post the submitted, accepted, or published version of the article on personal websites, institutional repositories, academic social networks (such as ResearchGate or Academia.edu), and preprint servers, before and during the submission process as well as after publication, as this can lead to productive exchanges and greater citation;

•     reuse figures, tables, and text from the article in their own future work, provided that the original PPJ article is cited.

Any reuse must include a full citation of the original article, including its DOI.

Rights Granted to the Journal

Progressive Physics Journal (PPJ) receives a non-exclusive right to publish, reproduce, and distribute the article in all formats and media, to assign it a DOI, to deposit its metadata with indexing services and repositories, and to archive it for long-term preservation.

Third-Party Material

Authors are responsible for obtaining written permission to reproduce any figures, tables, photographs, maps, or other material whose copyright belongs to a third party, and for ensuring that such material can be published under CC BY-SA 4.0. Where permission is restricted, this must be stated in the figure or table caption.