* [[Mohamed El-Demerdash]] (2010), [[The Effectiveness of an Enrichment Program Using Dynamic Geometry Software in Developing Mathematically Gifted Students’ Geometric Creativity in High Schools]], [[PH Schwäbisch Gmünd]] | * [[Mohamed El-Demerdash]] (2010), [[The Effectiveness of an Enrichment Program Using Dynamic Geometry Software in Developing Mathematically Gifted Students’ Geometric Creativity in High Schools]], [[PH Schwäbisch Gmünd]] |