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<xml><bibliography><APA>Sutthirak Sookkhasem. (2564) Portfolio Optimization from Risk Tolerance by K-mean Clustering. &lt;i&gt;Journal of information systems in Business  JISB&lt;/i&gt;, &lt;i&gt;7&lt;/i&gt;(1), 6.</APA><Chicago>Sutthirak Sookkhasem. "Portfolio Optimization from Risk Tolerance by K-mean Clustering". Journal of information systems in Business  JISB  7 (2564):6.</Chicago><MLA>Sutthirak Sookkhasem. Portfolio Optimization from Risk Tolerance by K-mean Clustering. MSMIS Thammasat University:ม.ป.ท. 2564.</MLA></bibliography></xml>
