user- What interesting responses did you receive to your sequences or comments? Why did you find them interesting? I don´t receive any comments to my sequance, ...What interesting responses did you receive to your sequences or comments? Why did you find them interesting? I don´t receive any comments to my sequance, because is to easy...
- History and Education in Mathematics and Informatics, Attracting Talent to Science; Proceedings of the International Congress MASSEE 2003, september 15-21, Borovets, Bulgaria, University of Latvia, Latvia, (2003)
- proceedings of the 1st CSCL SIG Symposium, Lausanne, Switzerland, (2004)
- the International Journal for Technology in Mathematics Education 13(2):65-78 (2006)
- the 7th International Conference on Technology in Mathematics Teaching, Bristol, (2005)
- Fourth Congress of the European Society for Research in Mathematics Education CERME-4, Sant Feliu de Guíxols, Spain, (2005)
- International Journal of Continuing Engineering Education and Life-Long Learning IJCEELL 18(2):214-233 (2008)
- ZDM - The International Journal on Mathematics Education 40(2):189-199 (2008)
- Pattern in the Teaching and Learning of Mathematics, Continuum, London, (1999)
- The Mathematics Educator 11(1):4-9 (2001)
- The Fourth Conference of the European Society for Research in Mathematics Education CERME 4, page 438 - 447. Spain, (2005)
- Educational Studies in Mathematics 60(3):269--295 (November 2005)
- 28(3):84-89 (2008)
- Educational Studies in Mathematics 69(3):217--233 (2008)
- International Journal of Computers for Mathematical Learning 13(1):47-70 (2008)
- Educational studies in mathematics 58(1):77-100 (2005)
- Educational Studies in Mathematics 57(1):1-32 (2004)
- Educational Studies in Mathematics (in press)
- Educational Studies in Mathematics (in press)
- Educational Studies in Mathematics 60(1):23 (2005)
