1.
Xu C, Gu F, Newman K, LeFevre J-A. The Hierarchical Symbol Integration Model of Individual Differences in Mathematical Skill. J Numer Cogn [Internet]. 2019Dec.20 [cited 2026May10];5(3):Article e5865. Available from: https://jnc.psychopen.eu/index.php/jnc/article/view/5865