PEHKONEN, Salla; LEHTINEN, Antti; NIEMINEN, Pasi; HÄHKIÖNIEMI, Markus. Adaptive number knowledge among primary school students of various ages. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 27, n. 4, p. 3–24, 2022. DOI: 10.7146/nomad.v27i4.149240. Disponível em: https://tidsskrift.dk/NOMAD/article/view/149240. Acesso em: 6 dec. 2025.