
    <h3 align = "center">
      Reference:
    </h3>

    <p>
      <ol>
        <li>
          John Hartigan, Manchek Wong,<br>
          Algorithm AS 136:
          A K-Means Clustering Algorithm,<br>
          Applied Statistics,<br>
          Volume 28, Number 1, 1979, pages 100-108.
        </li>
        <li>
          Wendy Martinez, Angel Martinez,<br>
          Computational Statistics Handbook with MATLAB,<br>
          Chapman and Hall / CRC, 2002,<br>
          ISBN: 1-58488-229-8,<br>
         