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APA Citation
Ditter, R., Haspel, M., Jahn, M., Kollar, I., Siegmund, A., Viehrig, K., Volz, D., & Siegmund, A. (2015). geospatial technologies in school – theoretical concept and practical implementation in K-12 schools. International journal of data mining, modelling and management, 7, 3–23. http://access.bl.uk/ark:/81055/vdc_100068404611.0x00000c