YULIANA; POLI, S. Ticket Service Satisfaction Analysis of Passenger KM. Sinabung in PT. Pelayaran Nasional Indonesia Surabaya Branch. JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN, [S. l.], v. 9, n. 1, p. 74–83, 2018. DOI: 10.30649/japk.v9i1.44. Disponível em: https://pdp-journal.hangtuah.ac.id/index.php/jurnal/article/view/44. Acesso em: 20 dec. 2025.