Sieng, Veasna, and Heng Thai. “Improving Students’ Visual Representation and Conceptual Understanding to Overcome Learning Difficulties in Geometry Using GeoGebra”. International Journal on Emerging Mathematics Education 8, no. 2 (September 17, 2024): 91–104. Accessed March 29, 2025. https://journal.uad.ac.id/index.php/IJEME/article/view/29834.