![](https://emitter.pens.ac.id/public/journals/1/cover_issue_13_en_US.jpg)
This issue has been available online since December 12th, 2019 for the regular issue of December 2019. All articles in this issue (13 original research articles) were authored/co-authored by 43 authors from 6 countries (Indonesia, Iran, Bangladesh, Malaysia, Turkey, U.S).
Published:
2019-12-01
Full Issue
Articles
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