Carefully read the submission guidelines as follows:

1. Paper should be written in Bahasa and English
2. The length of submitted paper is at least 4 pages and no more than 12 pages
3. Use of a tool such as Zotero, Mendeley, or EndNote for reference management and formatting, and choose APA style.
4. The paper must conform to standard Spektrum Industri paper.
5. You need to log in to submit your paper, which requires you to be registered.
6. You can upload a revised version, if requested by Editor.
7. Please contact [email protected] for the problems.