REIKERÅS, E. Central skills in toddlers’ and pre-schoolers’ mathematical development, observed in play and everyday activities. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 21, n. 4, p. 57–77, 2016. DOI: 10.7146/nomad.v21i4.148742. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148742. Acesso em: 8 jan. 2025.