This issue has been published on time, the authors come from 8 different institutions including 2 from international institutions and the rest from Indonesia (Universitas Sumatera Utara, Universitas Panca Budi Medan, Institute of Computer Science, Universiti Tun Hussein Onn Malaysia, PT Sawit Sumbermas Sarana Tbk, Universitas Palangkaraya, Universiti Kebangsaan Malaysia, Universidade Nacional Timor Lorosa'e-Timor Leste)
All articles have undergone rigorous selection by section editors and reviewers.

Thank you for your cooperation,

Editor