About Journal
![](https://jas.umsida.ac.id/public/journals/25/cover_issue_135_en_US.png)
All articles in this issue (6 research articles) were outhored/co-authored by 20 outhors from four different countries (Indonesia, Iraq, Oman, USA) and 8 institutions. An open access for full issue can be download here.
Published:
2021-07-31