Winahyu supriyatno, Safuan, & Musa Alkadhim Alhabshy. (2022). CARA PENGGUNAAN APLIKASI VESSEL TRAFFIC SERVICE (VTS) GPS TRCKING KAPAL. Jurnal Cakrawala Ilmiah, 1(12), 3593–3616. https://doi.org/10.53625/jcijurnalcakrawalailmiah.v1i12.3219