No submission fee. An APC is charged only upon acceptance after peer review.

Amount. USD 300 or IDR 5,000,000 (plus any applicable taxes), payable on acceptance.

What the APC covers. Editorial and production services, including manuscript management and peer-review administration, copyediting/typesetting, PDF/HTML production, Crossref DOI registration, website hosting/maintenance, and long-term archiving.

Waivers/discounts. Available under the journal’s Waiver Policy; requests are handled confidentially and do not influence editorial decisions.

Payment. An invoice is issued to the corresponding author with bank-transfer instructions. Payments from institutions are welcome.