Jóelsdóttir, L.B., Sunde, P.B., Sunde, P. and Andrews, P. 2024. Routine and Adaptive Experts: Individual Characteristics and Their Impact on Multidigit Arithmetic Strategy Flexibility and Mathematics Achievement. Journal of Numerical Cognition. 10, (Dec. 2024), Article e14081. DOI:https://doi.org/10.5964/jnc.14081.