This issue has been available online since Sept 30th, 2020 for the regular issue of March 2021. All articles in this issue (9 original research articles) were authored/co-authored by 23 authors from 2 countries (Indonesia and Malaysia).

This issue has been available online since 6 Oct, 2020 for the regular issue of September, 2020. All articles in this issue (10 original research articles) were authored/co-authored by 17 authors from 1 countries (Indonesia).