Costa, André Pereira da, and Marilene Rosa dos Santos. “The Study of Notable Quadrilaterals in a Mathematics Textbook: A Look to the Mathematical Organization”. Revemop 1, no. 2 (May 1, 2019): 229–247. Accessed November 12, 2026. https://periodicos.ufop.br/revemop/article/view/1758.