The articles in this issue were authored/co-authored by 36 affiliated authors in 18 institutions from three countries (Indonesia, Malaysia and Sri lanka).

The articles in this issue were authored/co-authored by 45 affiliated authors in 22 institutions from two countries (Indonesia, and Ghana).

The articles in this issue were authored/co-authored by 41 affiliated authors in 15 institutions from four countries (Indonesia,Nigeria,Germany and U.S.A).

The articles in this issue were authored/co-authored by 25 affiliated authors in 11 institutions from two countries (Indonesia, and Iraq).

The articles in this issue were authored/co-authored by 23 affiliated authors in 8 institutions from Indonesia.

The articles in this issue were authored/co-authored by 17 affiliated authors in 7 institutions from Indonesia.

The articles in this issue were authored/co-authored by 16 affiliated authors in 10 institutions from Indonesia.

The articles in this issue were authored/co-authored by 14 affiliated authors in 8 institutions from Indonesia.

The articles in this issue were authored/co-authored by 9 affiliated authors in 7 institutions from Indonesia.

The articles in this issue were authored/co-authored by 7 affiliated authors in 5 institutions from Indonesia.

The articles in this issue were authored/co-authored by 12 affiliated authors in 4 institutions from Indonesia.

The articles in this issue were authored/co-authored by 8 affiliated authors in 2 institutions from Indonesia.

The articles in this issue were authored/co-authored by 13 affiliated authors in 3 institutions from Indonesia.