Ach.Hidayatullah, FX.Adi Purwanto, and Toto Dwijaya Saputra, “ANALISIS SISTEM INAPORTNET DALAM KEGIATAN CLEARANCE DI PT DHARMA LAUTAN UTAMA CABANG TANJUNG PERAK SURABAYA”, JCI, vol. 4, no. 12, pp. 1929–1936, Aug. 2025.