Vol. 1 No. 2 (2021): December Volume

This issue has been available online since 30th December 2021 for the regular issue of December 2021. All articles in this issue (5 original research articles) were authored/co-authored by 13 authors from 5 institutions from 4 countries (Filipina, Jepang, Thailand, and Indonesia), i.e, Biliran Province State University (Philippines), Keio University (Japan), Siam University (Thailand), Telkom University (Indonesia), Universitas Airlangga (Indonesia).

Published: 2021-12-30