Elsayeda M. Elgaml and  Dina M. Ibrahim and  Elsayed A. Sallam ,  Improved FP-growth Algorithm with Multiple Minimum Supports Using Maximum Constraints.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 101(5). 1122 - 1129
    [viewed 30 September 2020]. Available from: https://publications.waset.org/pdf/10001311.