WASET
    Y. Q. Lv and  C.K.M. Lee,  Fuzzy Hierarchical Clustering Applied for Quality Estimation in Manufacturing System.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2012, vol. 64(4). 817 - 820
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/5558.