Exploring flexibility: The case of the numerical domain. (Explorer la flexibilité: le cas du domaine numérique.) (French)
Ann. Didact. Sci. Cogn., No. 16, 25-43 (2011).
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Tracing 10th and 11th graders approaches in function tasks. (English)
Acta Didact. Univ. Comen., Math., No. 10, 51-67 (2010).
2
One way of assessing the understanding of a geometrical figure. (English)
Acta Didact. Univ. Comen., Math., No. 10, 35-50 (2010).
3