WASET
    Chien-Hua Wang and  Meng-Ying Chou and  Chin-Tzong Pang,  The Research of Fuzzy Classification Rules Applied to CRM.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 580 - 585
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/2320.