* Keitel. C./ Kotzmann, E. / Skovsmose, O. (1993) "Beyond the Tunnel-Vision: Analysing the Relationship between Mathematics Education, Technology and Society". In: C. Keitel / K. Ruthven, K. (eds.) Learning from the Computer - Mathematics Education and Technology, Springer: Heidelberg, 243-279 | * Keitel. C./ Kotzmann, E. / Skovsmose, O. (1993) "Beyond the Tunnel-Vision: Analysing the Relationship between Mathematics Education, Technology and Society". In: C. Keitel / K. Ruthven, K. (eds.) Learning from the Computer - Mathematics Education and Technology, Springer: Heidelberg, 243-279 |