WASET
    S. Deelers and  S. Auwatanamongkol,  Enhancing K-Means Algorithm with Initial Cluster Centers Derived from Data Partitioning along the Data Axis with the Highest Variance.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 518 - 523
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4854.