%0 Journal Article %B Educational Technology Research and Development %D 2020 %N 1 %P 363-381 %R 10.1007/s11423-019-09699-8 %T Spatial task solving on tablets: analysing mental and physical rotation processes of 12–13-year olds %U https://doi.org/10.1007/s11423-019-09699-8 %V 68 %8 2020/02/01 %@ 1556-6501