GEHRKE, J.; BIDDULPH, F. Primary mathematics: It’s time we stopped teaching standard algorithms. Teachers and Curriculum, [S. l.], v. 5, n. 1, 2017. DOI: 10.15663/tandc.v5i1.224. Disponível em: https://tandc.ac.nz/index.php/tandc/article/view/224. Acesso em: 3 may. 2024.