1. Holton, D.: The Teaching and Learning of Mathematics at University Level: An ICMI Study. Kluwer Academic, Dordrecht (2001)
2. Beutelsbacher, A., Danckwerts, R.: Neuorientierung der universitären Lehrerausbildung im Fach Mathematik für das gymnasiale Lehramt,
http://www.uni-siegen.de/fb6/didaktik/mitarbeiter/rainer-danckwerts/publikationen/tk_projekt_programmatische_vorstudie_lang.pdf
(retrieved September 18, 2011)
3. National Council of Teachers in Mathematics (eds.): Principles and Standards for School mathematics. National Council of Teachers of mathematics, Reston, VA, USA (2000)
4. Brown, S.: Assessment for Learning. Learning and Teaching in Higher Education (1), 81–89 (2010),
http://www2.glos.ac.uk/offload/tli/lets/lathe/issue1/articles/brown.pdf
(retrieved September 14, 2010)
5. Bescherer, C., Herding, D., Kortenkamp, U., Müller, W., Zimmermann, M.: E-learning Tools with Intelligent Assessment and Feedback for Mathematics Study. In: Graf, S., Lin, F., Kinshuk, McGreal, R. (eds.) Intelligent and Adaptive Learning Systems: Technology Enhanced Support for Learners and Teachers. IGI Global (in press)