Panadda Sangsrikaew และ Nitikorn Laothaworn; Moeiwadee Butchamruan. (2025) Geometric thinking and mathematical understanding on the topic of geometric transformations of Mathayomsuksa 2 Students using GeoGebra software. <i>Journal of Science and Science Education</i>, <i>8</i>(1), 42-56.Panadda Sangsrikaew และ Nitikorn Laothaworn; Moeiwadee Butchamruan. "Geometric thinking and mathematical understanding on the topic of geometric transformations of Mathayomsuksa 2 Students using GeoGebra software". Journal of Science and Science Education 8 (2025):42-56.Panadda Sangsrikaew และ Nitikorn Laothaworn; Moeiwadee Butchamruan. Geometric thinking and mathematical understanding on the topic of geometric transformations of Mathayomsuksa 2 Students using GeoGebra software. Faculty of Science, Ubon Ratchathani University:ม.ป.ท. 2025.