Vamvakoussi, Xenia, Konstantinos P. Christou, and Stella Vosniadou. “Bridging Psychological and Educational Research on Rational Number Knowledge”. Journal of Numerical Cognition 4, no. 1 (June 7, 2018): 84-106. Accessed April 20, 2024. https://jnc.psychopen.eu/index.php/jnc/article/view/5785.