WASET
    Hoi-Lam Ma and  Sai-Ho Chung,  A 15 Minute-Based Approach for Berth Allocation and Quay Crane Assignment.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2018, vol. 139(7). 961 - 965
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10009320.