WASET
    Chansiri Singhtaun,  An Exact Algorithm for Location–Transportation Problems in Humanitarian Relief.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2015, vol. 99(3). 815 - 819
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10000765.