Nguyen, Duy, and Ha Phan. “Quay Cranes Scheduling at Mixed Cargo Ports Cargo Ports in Viet Nam”. VNUHCM Journal of Science and Technology Development 20, no. K6 (October 31, 2017): 29-34. Accessed June 3, 2025. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1168.