Lesezeichen (verstecken)253
Publikationen (verstecken)341
- Educational Studies in Mathematics, (Mai 2007)Online first.
- ZDM, (Mai 2007)Online first.
- ZDM, (Juni 2007)Online first.
- ZDM, (Juni 2007)Online first.
- ZDM, (Juni 2007)Online first.
- ZDM, 37 (4): 287--307 (2005)
- Journal for Research in Mathematics Education, 19 (2): 99-114 (1988)
- ZDM, (2007)
- ZDM, (2007)
- Educational Studies in Mathematics, 63 (2): 165--178 (Oktober 2006)
- Proceedings of the 35th Hawaii International Conference on System Sciences, hicss, 08, Seite 253-263. Los Alamitos, CA, USA, IEEE Computer Society, (2002)
- Educational Researcher, 34 (8): 14 (2005)
- Developments in Geographical Information and Planning Eds J Stillwell, S Geertman, S Openshaw (Springer, Berlin) pp, (1999)
- Studies in Educational Evaluation, 27 (1): 79--94 (2001)
- Studies in Educational Evaluation, 25 (3): 269--276 (1999)
- Educational Research and Evaluation, 5 (2): 85--104 (1999)
- The Journal of Genetic Psychology, 167 (1): 31--45 (2006)
- Educational Research for Policy and Practice, 3 (2): 95--107 (2004)
- Journal of Curriculum Studies, 31 (4): 399--427 (1999)
- Comparative Education Review, 49 (3): 311--43 (2005)
