Contributions to journals
Contributions to conferences
Cahyono, A. N. & Ludwig, M (2016). MathCityMap: Exploring mathematics around the city. Presented at 13th International Congress on Mathematics Education (ICME-13), Hamburg (Germany), 24-31 July 2016.
Cahyono, A. N., Ludwig, M, & Marée, S. (2015). Designing mathematical outdoor tasks for the implementation of The MathCityMap-Project in Indonesia. In Vistro-Yu, C. (Ed.). In pursuit of quality mathematics education for all: Proceedings of the 7th ICMI-East Asia Regional Conference on Mathematics Education, p. 151-158. Quezon City: Philippine Council of Mathematics Teacher Educators (MATHTED)
Cahyono, A. N. & Ludwig, M. (2014). Designing of The MathCityMap-Project for Indonesia. In Oesterle, S., Nicol, C., Liljedahl, P., & Allan, D. (Eds.). Proceedings of the 38th Conference of the International Group for the Psychology of Mathematics Education and the 36th Conference of the North American Chapter of the Psychology of Mathematics Education, Vol. 6, p. 33. Vancouver, Canada: PME.
Jesberg, J., & Ludwig, M. (2012). MathCityMap - Make mathematical experiences in out-of-school activities using mobile technology. Proceedings of the International Conference on Mathematics Education 12. Seoul.
Ludwig, M. & Jesberg, J. (2015). Using Mobile technologiy to provide Outdoor Modelling Tasks- The MathCityMap-Project. In Procedia Proceedings of WCES: Elsevier. Pages 2776–2781, doi:10.1016/j.sbspro.2015.04.517