WASET
    George E. Tsekouras and  Dimitris Papageorgiou and  Sotiris Kotsiantis and  Christos Kalloniatis and Panagiotis Pintelas,  Fuzzy Clustering of Categorical Attributes and its Use in Analyzing Cultural Data .   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 192 - 196
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/13836.