Ham, Lillian, and Elizabeth A. Gunderson. “Utilizing Analogical Reasoning to Aid Children’s Proportional Reasoning Understanding”. Journal of Numerical Cognition 5, no. 2 (August 22, 2019): Article e5853. Accessed May 5, 2026. https://jnc.psychopen.eu/index.php/jnc/article/view/5853.