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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)