Salvador, Larissa de Souza, Ricardo Moura, Guilherme Wood, and Vitor Geraldi Haase. “Cognitive Heterogeneity of Math Difficulties: A Bottom-up Classification Approach”. Journal of Numerical Cognition 5, no. 1 (April 5, 2019): Article e5845. Accessed May 7, 2026. https://jnc.psychopen.eu/index.php/jnc/article/view/5845.