Vol. 23 No. 1 (2025)

This issue was available online in June 2025. All articles in this issue (10 original research articles) were authored/co-authored by 30 authors from 4 countries (Indonesia, Portugal, Malaysia, and Thailand).

Vol. 22 No. 2 (2024)

Vol. 22 No. 1 (2024)

Vol. 21 No. 2 (2023)

Vol. 21 No. 1 (2023)

Vol. 20 No. 2 (2022)

Vol. 20 No. 1 (2022)

Vol. 19 No. 2 (2021)

This issue available online in November 2021, All articles in this issue (7 articles) were authored/co-authored by authors from 6 countries (Thailand, Indonesia, Taiwan, USA, Mauritius, and China).

Vol. 19 No. 1 (2021)

Vol. 18 No. 2 (2020)

Vol. 18 No. 1 (2020)

Vol. 17 No. 2 (2019)

Vol. 17 No. 1 (2019)

Vol. 16 No. 2 (2018)

Vol. 16 No. 1 (2018)

Vol. 15 No. 2 (2017)

Vol. 15 No. 1 (2017)

Vol. 14 No. 2 (2016)

Vol. 14 No. 1 (2016)

Vol. 13 No. 2 (2015)

Vol. 13 No. 1 (2015)

Vol. 12 No. 2 (2014)

Vol. 12 No. 1 (2014)

Vol. 11 No. 2 (2013)

Vol. 11 No. 1 (2013)