1. Askew, M. (2008). Mathematical discipline knowledge requirements for prospective primary teachers, and the structure and teaching approaches of programs designed to develop that knowledge. In P. Sullivan & T. Wood (Eds.), Knowledge and beliefs in mathematics teaching and teaching development (pp. 13–35). Rotterdam: Sense publishers.
2. Askew, M., & Brown, M. (1997). Effective teachers of numeracy in UK primary schools: Teachers’ beliefs, practices and pupils’ learning. Paper presented at the European conference on educational research (ECER 97), Johann Wolfgang Goethe Universitat, Frankfurt am Main.
3. Askew, M., Brown, M., Rhodes, V., Johnson, D., and William, D. (1997). Effective teachers of numeracy. Final report. London: King’s College.
4. Ball, D. L., Lubienski, S. T., & Mewborn, D. S. (2001). Research on teaching mathematics: The unsolved problem of teachers’ mathematical knowledge. In V. Richardson (Ed.), Handbook of research on teaching (4th ed., pp. 433–456). Washington, DC: American Educational Research Association.
5. Ball, D. L., Thames, M. H., & Phelps, G. (2008). Content knowledge for teaching: What makes it special? Journal of Teacher Education,
59(5), 389–407.