Pegg, J., & Baker, P. (1999). An Exploration of the Interface between van Hiele’s Levels 1 and 2: Initial Findings. Environments. In O. Zaslavsky (Ed.), Proceedings of the 23rd International Conference for the Psychology of Mathematics Education (Vol. 4, pp. 25-32). Haifa: PME.
has been cited by the following article:
Related Articles: