REYS, R. E.; YANG, D.-C. Investigating the development of number sense in a 6th grade class in Taiwan. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 10, n. 1, p. 43–56, 2005. DOI: 10.7146/nomad.v10i1.147157. Disponível em: https://tidsskrift.dk/NOMAD/article/view/147157. Acesso em: 6 jan. 2025.