All inquiries and correspondences are addressed to the Editor-in-Chief. Moreover, authors are required to present manuscripts as electronic files, as with such files, formatting requirements are as follows: a) Use Microsoft Word 2007 or latest, double-spaced, 10 pt Tahoma, maximum of 15 pages b) Use Bahasa Indonesia or English U.S. as the language, c) Indent or spacing between all paragraphs, d) Use the metric system throughout, and e) Avoid text footnotes, as it must be integrated into the text. The manuscript needs to be structured in such a way that every new sections begin on new pages. All references and ciation are written according to Vancouver writing rules with the Mendeley app. Furthermore, three or more reviewers are provided, and at least two of them are from a different university than the authors.