*[[Mohamed El-Demerdash]]. Suggested Enrichment Program Using Cinderella (DGS)
+
*[[Mohamed El-Demerdash]]. Suggested Enrichment Program Using Cinderella (DGS).
−
*[[Mohamed El-Demerdash]] and [[Ulrich Kortenkamp]]. The Development of an Instrument to Measure Geometric Creativity
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*[[Mohamed El-Demerdash]] and [[Ulrich Kortenkamp]]. The Development of an Instrument to Measure Geometric Creativity. http://cinderella.de/material/gkt/
== Discussion ==
== Discussion ==
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