1. Principles to Actions: Ensuring Mathematical Success for All,2014
2. Photography: A Resource to Capture Outdoor Math;Vale,2020
3. Challenges Beyond the Classroom—Sources and Organizational Issues;Kenderov,2009
4. Mathtrails in der Sekundarstufe I. Der Einsatz von MathCityMap bei Zylinderproblemen in der Neunten Klasse;Zender,2019
5. Step by Step – Simplifying and Mathematizing the Real World with MathCityMap;Ludwig;Quadrante,2021