N. Elis, H. M. Pakpahan, and T. T. Prasetyo, “Pengaruh Jumlah Kapal Tunda, Approach Time, Postpone Time, Effective Time, Berth Time dan Turn Round Time Terhadap Kesiapan Operasi Peralatan di Pelabuhan Cigading ”, Innovative, vol. 3, no. 6, pp. 8766–8781, Dec. 2023.