Vol. 4 No. 2: September 2021

This issue consist of 9 articles, the full details can be seen here

Our respective writers, readers, editors, and reviewers, since Mid April 2022, we are facing several cyber attacks related to database hacking. Due to this, some server data was damaged or lost, namely, data entered after November 2th, 2021. We work hard to ensure your convenience and smooth access to our journals. Accordingly, we are currently maintenance to our journal. All requested revisions will be contacted individually by our responsible Editor. Related issues should be addressed to our email: [email protected]

We appreciate your understanding of this inconvenience.

 

Published: 2021-10-30

Articles