Development of automatic identification system (ais) for vessels traffic monitoring in the strait of singapore and batam waterways by Saputra, Hendra, Sototo, Sapto Wiratno, M., Mufti Fathonah, Istardi, Didi, Atmaja, Ardian Budi Kusuma, Mufida, Mir’atul Khusna, Koto, Jaswar