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        <full_title>Egyptian Informatics Journal</full_title>
        <issn media_type="electronic">1110-8665</issn>
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          <month>07</month>
          <day>16</day>
          <year>2024</year>
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          <title>Determining the optimal number of clusters by Enhanced Gap Statistic in K-mean algorithm</title>
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          <month>07</month>
          <day>16</day>
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