WASET
    Eugene Y. C. Wong and  Henry Y. K. Lau and  Mardjuki Raman,  Supply Chain Decarbonisation – A Cost-Based Decision Support Model in Slow Steaming Maritime Operations.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 649 - 652
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997634.