This issue has been available online since 14th October 2022 for the regular issue of October 2022. All articles in this issue (5 original research articles) were authored/co-authored by 14 authorsfrom 5 affiliationsand three countries (Indonesia, China, and Vietnam).

This issue has been available online since 11th May 2022 forthe regular issue of March 2022. All articles in this issue (5 original research articles) were authored/co-authored by 20 authorsfrom 7 affiliations and four countries (Indonesia, Burundi, Thailand, and Vietnam).

This issue has been available online since 5th October 2021for the regular issue of October 2021. All articles in this issue (5 original research articles) were authored/co-authored by nine authorsfrom 6 affiliationsand two countries (Indonesia and Taiwan).

This issue has been available online since1st February 2021for the regular issue of March 2021. All articles in this issue(5original research articles) were authored/co-authored byten authorsfrom 3affiliationsand onecountry (Indonesia).