REIMÃO, J.; MENDES, F. The emergence of algebraic thinking: patterns in kindergarten and nursery school. Medi@ções, [S. l.], v. 10, n. 1, p. 55–71, 2022. DOI: 10.60546/mo.v10i1.342. Disponível em: https://mediacoes.ese.ips.pt/index.php/mediacoesonline/article/view/342. Acesso em: 10 nov. 2026.