| dissertation = The Effectiveness of an Enrichment Program Using Dynamic Geometry Software in Developing Mathematically Gifted Students’ Geometric Creativity in High Schools <!-- Titel der Dissertation (wird als Querverweis verwendet)--> | | dissertation = The Effectiveness of an Enrichment Program Using Dynamic Geometry Software in Developing Mathematically Gifted Students’ Geometric Creativity in High Schools <!-- Titel der Dissertation (wird als Querverweis verwendet)--> |