This issue available online on 1st September 2021 for the regular issue of September 2021. All articles in this issue (7 original research articles) were authored/co-authored by 22 authors from 3 countries (Indonesia, Taiwan & Vietnam).

This issue available online on 1st March 2021 for the regular issue of March 2021. All articles in this issue (9 original research articles) were authored/co-authored by 20 authors from 3 countries (South Korea, Indonesia, &  Malaysia).

This issue available online on 1st December 2020 for the regular issue of December 2020. All articles in this issue (5 original research articles) were authored/co-authored by 11 authors from 4 countries (Thailand, Taiwan, Japan, Spain).

This issue available online on 30th September 2020 for the regular issue of September 2020. All articles in this issue (6 original research articles) were authored/co-authored by 13 authors from 7 countries (Thailand, Taiwan, Jordan, South Korea, Indonesia, Pakistan, Malaysia).

This issue available online on 1st March 2020 for regular issue collaboration with Amikom Purwokerto University. All articles in this issue (5 original research articles) were authored/co-authored by 12 authors from Amikom Purwokerto University, Indonesia

This issue available online on 1st December 2019 for the regular issue of December 2019. All articles in this issue (5 original research articles) were authored/co-authored by 9 authors from 5 countries (Taiwan, China, Hong Kong, Poland, Thailand).

This issue available online on 1st September 2019 for the regular issue of September 2019. All articles in this issue (8 original research articles) were authored/co-authored by 20 authors from 4 countries (Indonesia, Taiwan, Thailand, Japan).

This issue available online on 1st March 2019 for regular issue collaboration with Amikom Purwokerto University. All articles in this issue (5 original research articles) were authored/co-authored by 11 authors from Amikom Purwokerto University, Indonesia

This issue available online on 1st December 2018 for the regular issue of December 2018. All articles in this issue (5 original research articles) were authored/co-authored by 12 authors from 5 countries (Hong Kong, Vietnam, Taiwan, India, Japan).

This issue available online on 1st September 2018 for the regular issue of September 2018. All articles in this issue (7 original research articles) were authored/co-authored by 19 authors from 5 countries (Indonesia, Taiwan, Philippines, U.S.A, Japan).