Yuporn Rimcholakarn. (2018) The Relationship between the Nine-Point Circle, the Circumscribed Circle and the Inscribed Circle of Archimedes' Triangle. <i>Naresuan University Journal: Science and Technology</i>, <i>26</i>(3), 63-79.Yuporn Rimcholakarn. "The Relationship between the Nine-Point Circle, the Circumscribed Circle and the Inscribed Circle of Archimedes' Triangle". Naresuan University Journal: Science and Technology 26 (2018):63-79.Yuporn Rimcholakarn. The Relationship between the Nine-Point Circle, the Circumscribed Circle and the Inscribed Circle of Archimedes' Triangle. Naresuan University Graduate School:ม.ป.ท. 2018.