Gen Sakoda and  Hideki Takayasu and  Misako Takayasu,  Retail Strategy to Reduce Waste Keeping High Profit Utilizing Taylor's Law in Point-of-Sales Data.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2019, vol. 156(12). 223 - 228
    [viewed 24 May 2022]. Available from: https://publications.waset.org/pdf/10010940.