1. Article Submission: 0.00 (IDR)
  2. Authors are NOT required to pay an Article Submission Fee.
  3. Start of January 2021, Article processing charges (APCs) / Article Publication Fee: 500.000 (IDR)
  4. This fee includes: DOI registration for each paper; Checking the article similarity by Plagiarism Checker Pro; English proofreading
  5. If the manuscript is accepted for publication, you will be asked to pay an Article Publication Fee to cover publications costs. This charge is for the first 10 pages, and if any published manuscript over 10 pages will incur extra charges of 50.000 IDR per page.
  6. Start from January 2019, for service improvement, this journal charges the article publication fee for supporting the cost of wide-open access dissemination of research results, managing the various costs associated with handling and editing of the submitted manuscripts, and the Journal management and publication in general, the authors or the author's institution is requested to pay a publication fee for each article accepted.
  7. Manuscripts submitted by high-impact authors (first author or corresponding author with minimum Scopus/WoS h-index: 15) and at least two authors from different countries are eligible for the 100% discount on the APC or APC is free of charge.
  8. A waiver or partial waiver of author fees may be decided by the editor in case of lack of funding, excessive length of a submitted manuscript, or other reasonable reasons provided by the author during the submission. The author should clearly declare that he asks for a waiver in the comments to the Editor box during their submission. A waiver is most likely to be denied if it is not asked in this stage. The waiver will have no effect on the review result.