Yu-Cheng Chou and  Po Ting Lin,  Efficient Design Optimization of Multi-State Flow Network for Multiple Commodities.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 1003 - 1008
    [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/12485.