AL-HASSANY, M. Studying and Analyzing the Performance Efficiency of the Cranes at the Container Berths in the Port of Umm Qasr by Using Queuing Theory. The Gulf Economist, [S. l.], v. 39, n. 55, p. 1–20, 2023. Disponível em: https://tge.uobasrah.edu.iq/index.php/tge/article/view/62. Acesso em: 20 may. 2025.