Using Area Method in Secondary School Geometry. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 14, n. 2, p. 601–607, 2021. DOI: 10.29020/nybg.ejpam.v14i2.3942. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3942.. Acesso em: 3 may. 2024.