*Mohamed El-Demerdash and Ulrich Kortenkamp. "The Effectiveness of an Enrichment Program Using Dynamic Geometry Software in Developing Mathematically Gifted Students' Geometric Creativity". In: Proceedings of the 9th International Conference on Technology in Mathematics Teaching, ICTMT 9, Metz, France, 2009.
+
*[[Mohamed El-Demerdash]] and [[Ulrich Kortenkamp]]. "The Effectiveness of an Enrichment Program Using Dynamic Geometry Software in Developing Mathematically Gifted Students' Geometric Creativity". In: Proceedings of the 9th International Conference on Technology in Mathematics Teaching, ICTMT 9, Metz, France, 2009.