GONÇALVES, Daiane de Oliveira; RAMOS, Aline Costa; MORENO, Angela Leite. Manipulative Material or Instrument: What is actually being used in teaching Plane Analytical Geometry. Sigmae, [S. l.], v. 6, n. 2, p. 54–61, 2018. Disponível em: https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/619. Acesso em: 4 may. 2024.