SCHOENFELD, W. N.; COLE, B. K.; SUSSMAN, D. M. Observations on Early Mathematical Behavior Among Children: <Counting>. Mexican Journal of Behavior Analysis, [S. l.], v. 2, n. 2, p. 176–189, 2011. DOI: 10.5514/rmac.v2.i2.25268. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/25268. Acesso em: 15 may. 2024.