Double entry tables and their use in the classroom with children aged 4 and 5. Edma 0-6: Educación Matemática en la Infancia, [S. l.], v. 3, n. 2, p. 37–52, 2021. DOI: 10.24197/edmain.2.2014.37-52. Disponível em: https://revistas.uva.es/index.php/edmain/article/view/5838. Acesso em: 17 jan. 2026.