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    Nadia M. G. AL-Sa'idi and  Muhammad Rushdan Md. Sd. and  Adil M. Ahmed,  IFS on the Multi-Fuzzy Fractal Space.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2009, vol. 29(5). 338 - 342
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10553.