WASET
    Takashi Mitsuishi and  Kiyoshi Sawada and  Yasunari Shidama,  Continuity of Defuzzification and Its Application to Fuzzy Control.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 399 - 403
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/11650.