Kelajak International Group is committed to providing free and unrestricted access to scholarly research worldwide. Our open access policy ensures maximum visibility, accessibility, and global dissemination of authors’ work.

Open Access Principles
All articles published in Kelajak International Group journals are:

• immediately and permanently available online in open access format;
• accessible without subscription, registration, or paywall barriers;
• freely shareable and distributable by any user;
• positioned for maximum visibility, readership, and academic impact.

Licensing Terms
All articles are published under the:
Creative Commons Attribution 4.0 International License (CC BY 4.0)
This license allows:
✓ free downloading and unlimited distribution
✓ adaptation, translation, and format conversion
✓ reuse for commercial and non-commercial purposes
✓ creation of derivative works
The only requirement is that proper credit is given to the original author(s).

Author Rights and Copyright

• Authors retain full copyright of their work.
• No copyright transfer agreement is required.
• Authors may self-archive any version of their manuscript at any time, including:
• ✓ preprints
• ✓ postprints (accepted versions)
• ✓ final published PDFs (version of record)

Authors may deposit their work in institutional repositories, personal websites, or other scholarly platforms without restrictions.

Reuse Conditions
Users reusing or adapting published content must:

• clearly credit the original author(s);
• provide a link to the CC BY 4.0 license;
• indicate whether any changes or modifications were made.

Additional Provisions
Preprints may be shared at any stage prior to publication.

• Postprint versions may be shared immediately upon acceptance.
• Published PDFs may be archived in institutional or subject-based repositories.

Archiving and Preservation
To ensure long-term digital preservation, all content is securely archived in trusted digital repositories (such as PKP Preservation Network (PKP PN) and other recognized archiving systems). This guarantees permanent availability of all published material.

Transparency and Ethics

• All APC (Article Processing Charge) fees are clearly listed on the journal website; no hidden charges apply.
• The journal adheres to COPE (Committee on Publication Ethics) guidelines to ensure responsible and ethical publishing practices.

This open access policy promotes broad dissemination of knowledge while upholding the highest standards of academic publishing.