The articles in this issue (7 original articles) were authored/co-authored by 30 authors from 6 countries (Indonesia, the United Republic of Tanzania, Comoros, Malaysia, Poland, and Japan).

The articles in this issue (9 original articles) were authored/co-authored by 35 authors from 7 countries (Indonesia, Malaysia, Thailand, The Netherlands, Ghana, Cambodia, United Kingdom, and United States).

The articles in this issue (9 original articles) were authored/co-authored by 25 authors from 4 countries (Indonesia, Malaysia, Nigeria, and Thailand).

The articles in this issue (10 original  articles) were authored/co-authored by 30 authors from 3 countries (Indonesia, Egypt, and Philippines).

The articles in this issue (10 original  articles) were authored/co-authored by 38 authors from 2 countries (Indonesia and Fiji).

Some of the articles in the issue of Vol 25, No. 1 (2020) are the result of collaboration with the 2nd ICGE Department of Geography Faculty of Social Science Universitas Negeri Malang