Hardy, Alison M., Sarah R. Powell, and Asuman Saglam-Ak. “Implementing Schema Instruction to Support Young Children With Word Problems: A Systematic Review”. Journal of Numerical Cognition 12 (March 31, 2026): Article e17649. Accessed May 2, 2026. https://jnc.psychopen.eu/index.php/jnc/article/view/17649.