Computer “knowledge” and student’s images of figures: the case of dragging. (English)
Novotná, Jarmila (ed.) et al., Mathematics in the centre. Proceedings of the 30th annual conference of the International Group for the Psychology of Mathematics Education, PME, Prague, Czech Republic, July 16‒21, 2006. Vol. 1-5. Prague: Charles University, Faculty of Education. Part 5, 241-248 (2006).
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Understanding dynamic behavior: Parent-Child relations in dynamic geometry environments. (English)
Educ. Stud. Math. 57, No. 1, 91-119 (2004).
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