Ramadhani, R. A., and C. Lazaro Prawirosastro. “Operational System Procedure for Handling Cargo Shortage Claims in Marine Cargo Insurance PT. ASPAN Cabang Surabaya”. JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN, vol. 8, no. 2, Mar. 2018, pp. 130-4, doi:10.30649/japk.v8i2.49.