This issue has been available online since 30st September 2022 for the regular issue of Vol 9 No 1 (2024). All articles in this issue (10 original research articles) were authored/co-authored by 35 authors from 2 country (Indonesia and Japan) with diverse affiliations.

This issue has been available online since 30st September 2022 for the regular issue of Vol 8 No 2 (2023). All articles in this issue (10 original research articles) were authored/co-authored by 31 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2023 for the regular issue of Vol 8 No 1 (2023). All articles in this issue (10 original research articles) were authored/co-authored by 28 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 1st October 2022 for the regular issue of Vol 7 No 2 (2022). All articles in this issue (10 original research articles) were authored/co-authored by 18 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2022 for the regular issue of Vol 7 No 2 (2022). All articles in this issue (13 original research articles) were authored/co-authored by 47 authors from 2 country (Indonesia and Australia) with diverse affiliations.

This issue has been available online since 31st October 2022 for the regular issue of Vol 6 No 2 (2021). All articles in this issue (13 original research articles) were authored/co-authored by 17 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2022 for the regular issue of Vol 6 No 1 (2021). All articles in this issue (17 original research articles) were authored/co-authored by 52 authors from 2 country (Indonesia and Australia) with diverse affiliations.

This issue has been available online since 31st October 2022 for the regular issue of Vol 5 No 2 (2020). All articles in this issue (19 original research articles) were authored/co-authored by 51 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2022 for the regular issue of Vol 6 No 1 (2021). All articles in this issue (20 original research articles) were authored/co-authored by 62 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 30th September 2019 for the regular issue of Vol 4 No 2 (2019). All articles in this issue (17 original research articles) were authored/co-authored by 51 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2019 for the regular issue of Vol 4 No 1 (2019). All articles in this issue (17 original research articles) were authored/co-authored by 56 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 30st September 2017 for the regular issue of Vol 3 No 2 (2018). All articles in this issue (12 original research articles) were authored/co-authored by 37 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2018 for the regular issue of Vol 3 No 1 (2018). All articles in this issue (21 original research articles) were authored/co-authored by 68 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 30st September 2017 for the regular issue of Vol 2 No 2 (2017). All articles in this issue (14 original research articles) were authored/co-authored by 42 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 28th February 2017 for the regular issue of Vol 2 No 1 (2017). All articles in this issue (15 original research articles) were authored/co-authored by 42 authors from 1 country (Indonesia) with diverse affiliations.

This issue has been available online since 30th September 2016 for the regular issue of Vol 1 No 5 (2016) Special Issue. All articles in this issue (6 original research articles) were authored/co-authored by 18 authors from Universitas Pendidikan Indonesia, Indonesia.

This issue has been available online since 30th September 2015 for the regular issue of Vol 1 No 4 (2015) Special Issue. All articles in this issue (7 original research articles) were authored/co-authored by 21 authors from Universitas Pendidikan Indonesia, Indonesia.

This issue has been available online since 30th September 2014 for the regular issue of Vol 1 No 3 (2014) Special Issue. All articles in this issue (7 original research articles) were authored/co-authored by 21 authors from Universitas Pendidikan Indonesia, Indonesia.

This issue has been available online since 30th September 2013 for the regular issue of Vol 1 No 2 (2013). All articles in this issue (5 original research articles) were authored/co-authored by 15 authors from 1 country (Indonesia).

This issue has been available online since 28th February 2013 for the regular issue of Vol 1 No 1 (2013). All articles in this issue (12 original research articles) were authored/co-authored by 35 authors from Universitas Pendidikan Indonesia, Indonesia.