Finally the National Journal of Informatics (JUNIF) Vol. 2 No. 2 has been published. The editors thank to the authors, readers, entire editorial team and for the help of many parties, last but not least thank also for LPPM Institut Bisnis dan Informatika (IBI) Kosgoro 1957. This volume consists of six manuscripts from internal IBI Kosgoro 1957 and external campus. We also appreciate researchers who have submitted their articles to the National Journal of Informatics (JUNIF) in this edition.
Finally, we hope that the manuscripts in the National Journal of Informatics (JUNIF) can enhance to the knowledge and scientific insights in the field of informatics. The Editor want to improve the journal quality and kindly receive a constructive suggestions from all parties.