Ridwan, Mochamad Ely. 2020. “Pengaruh Perawatan Pompa Air Pendingin Laut Terhadap Kerja Mesin Induk Di Km. Sinabung”. Jurnal Cakrawala Bahari 3 (2):29-33. https://doi.org/10.70031/jkb.v3i2.20.