Locatelli, Sueli Cristina, e Silvia Pereira Gonzaga de Moraes. 2016. “What Does School Work Reveal on the Teaching of Geometry in Year 2 of the Primary School?”. Revista Internacional De Pesquisa Em Educação Matemática 6 (2): 152-71. https://www.sbembrasil.org.br/periodicos/index.php/ripem/article/view/1217.