20210206214000.0 http://ejurnal.seminar-id.com/index.php/josyc Journal of Computer System and Informatics (Online) 2714-8912 Indonesia Journal of Computer System and Informatics. 2714-8912 2714-8912 2714-8912 Journal of Computer System and Informatics (Online) Journal of Computer System and Informatics. 2714-8912