This issue has been available online since 30 March 2025 for the regular issue of March 2025. All articles in this issue (6 original research articles) were authored/co-authored by 16 authors from 9 affiliations and 2 countries (Indonesia and Nigeria).

This issue has been available online since 30 September 2024 for the regular issue of September 2024. All articles in this issue (6 original research articles) were authored/co-authored by 17 authors from 10 affiliations and 4 countries (Indonesia, Thailand, Tanzania, and Nigeria).

This issue has been available online since 30 June 2024 for the regular issue of March 2024. All articles in this issue (6 original research articles) were authored/co-authored by 15 authors from 6 affiliations and 2 countries (Indonesia and Nigeria).

This issue has been available online since 30 September 2023  for the regular issue of September 2023. All articles in this issue (6 original research articles) were authored/co-authored by 17 authors from 7 affiliations and 3 countries (Indonesia, Poland, Malaysia).

This issue has been available online since 31 March 2023  for the regular issue of March 2023. All articles in this issue (6 original research articles) were authored/co-authored by 18 authors from 6 affiliations and 3 countries (Indonesia, Spain, and Malaysia).

This issue has been available online since 31 March 2022  for the regular issue of March 2022. All articles in this issue (6 original research articles) were authored/co-authored by 16 authors from 7 affiliations and 3 countries (Indonesia, Spain, and India).