Manipulatives to teach math in early childhood education. Edma 0-6: Educación Matemática en la Infancia, [S. l.], v. 5, n. 1, p. 59–64, 2021. DOI: 10.24197/edmain.1.2016.59-64. Disponível em: https://revistas.uva.es/index.php/edmain/article/view/5860. Acesso em: 17 jan. 2026.