|Title of host publication||Proceedings fo the 28th Conference of the International Group for the Psychology of Mathematics Education.|
|Place of Publication||Bergen (Norway)|
|Publication status||Published - 2004|
Verhoef, N. C., & Broekman, H. G. B. (2004). Problem solving skills to optimise mathematical concept development. In Proceedings fo the 28th Conference of the International Group for the Psychology of Mathematics Education. (pp. -). Bergen (Norway).