Nguyen, Ngoc-Giang. “Applying 5E Teaching Model in Recognizing Regular Polygons and Rotations With the Help of GeoGebra Software”. Advances in Social Sciences Research Journal 8, no. 8 (August 29, 2021): 380–399. Accessed November 23, 2024. http://116.203.177.230/index.php/ASSRJ/article/view/10672.