JUARO SONANG TAMPUBOLON; SURATNI GINTING; LILIS LILIS. Kinerja Berthing Time terhadap Bongkar Muat Gandum Curah Kering di Kapal Mv. Green Sapphire pada PT. Gelora Perkasa Belawan. Kalao’s Maritime Journal, [S. l.], v. 6, n. 2, p. 26–32, 2025. DOI: 10.69754/kalaos.v6i2.146. Disponível em: https://jurnal.poltekpelsulut.ac.id/index.php/kalaos/article/view/146. Acesso em: 4 feb. 2026.