IOBST, C. S. Shapes and Their Equations: Experimentation with Desmos. Ohio Journal of School Mathematics, [S. l.], v. 79, n. 1, 2018. Disponível em: https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/OJSM/article/view/6367. Acesso em: 29 apr. 2026.