Erwan Khanissuma, Ulfi Pristiana, and Esti Hari Prastiwi, “Analyzing the Operational Performance of Ro-Ro Terminals Using Vessel and Vehicle Queue Time Indicators: A Case Study at Tanjung Perak Port, Surabaya”, GlobalEconomics, vol. 2, no. 2, pp. 84–96, Jun. 2025.