Muccillo de Medeiros, Antonio Paulo, and Lícia Giesta Ferreira de Medeiros. “Geometric Transformations in the Plane: Shapes in Motion”. Advances in Social Sciences Research Journal 8, no. 3 (March 14, 2021): 156–175. Accessed April 26, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/9830.