Link to GeoGebra files — Sigbjørn Hals: What would Pólya have done with GeoGebra? Mathematical problem solving with modern technology.
Link to Master's Thesis — Hlín Ágústsdóttir: Discovery learning with GeoGebra
Markus Hohenwarter — Markus Hohenwarter: GeoGebra - Community & Future
Pihlap & Kreutzberg — Sirje Pihlap & Kristi Kreutzberg: Geogebra in Estonian school mathematics
Simon Hempel-Jørgensen — Simon Hempel-Jørgensen: Towards an educational approach in which mathematical competencies are developed and documented with ICT