* Heinze, A., Star, J. & Verschaffel, L. (Eds.) (in press). Flexible and Adaptive Use of Strategies and Representations in Mathematics Education. Special issue of the ZDM - International Journal on Mathematics Education, 41(5). | * Heinze, A., Star, J. & Verschaffel, L. (Eds.) (in press). Flexible and Adaptive Use of Strategies and Representations in Mathematics Education. Special issue of the ZDM - International Journal on Mathematics Education, 41(5). |