BENO, J. Upaya peningkatan pelayanan jasa kapal pada pt. pertamina tongkang cabang tanjung perak Surabaya. Jurnal Cakrawala Bahari, [S. l.], v. 3, n. 1, p. 23–28, 2020. DOI: 10.70031/jkb.v3i1.19. Disponível em: https://jurnal.poltekpelsumbar.id/index.php/jcb/article/view/19. Acesso em: 19 mar. 2025.