[1]
M. A. Bairral, “Prospective mathematics teachers interacting in a chat and emerging different scopes about the definition of polyhedron”, RIPEM, vol. 3, no. 2, pp. 16–24, Jul. 2013, Accessed: Sep. 07, 2025. [Online]. Available: https://www.sbembrasil.org.br/periodicos/index.php/ripem/article/view/1140