Lafay, Anne, Marie-Catherine St-Pierre, and Joël Macoir. “Impairment of Non-Symbolic Number Processing in Children With Mathematical Learning Disability”. Journal of Numerical Cognition 5, no. 1 (April 5, 2019): Article e5847. Accessed May 8, 2026. https://jnc.psychopen.eu/index.php/jnc/article/view/5847.