Abramovich, S. & Brouwer, P. (2003). Revealing hidden mathematics curriculum to pre-teachers using technology: the case of partitions. International Journal of Mathematics Education in Science and Technology 34(1), 81–94.
Ball, D. L., & Bass, H. (2000). Interweaving content and pedagogy in teaching and learning to teach: knowing and using mathematics. In J. Boaler (Ed.), Multiple perspectives on mathematics teaching and learning (pp. 83–104). Westport, CT: Ablex Publishing.
Ball, D.L., & Bass, H. (2003). Making mathematics reasonable in school. In J. Kilpatrick, W. G. Martin, & D. Schifter (Eds.), A research companion to principles and standards for school mathematics (pp. 27-44). Reston, VA: National Council of Teachers of Mathematics.
Mishra, P., & Koehler, M. J. (2006). Technological Pedagogical Content Knowledge: A Framework for Teacher Knowledge. Teachers College Record 108(6), 1017–1054
Poranen, J. & Haukkanen, P. (2012). Didactic Number Theory and Group Theory for School Teachers. Open Mathematical Education Notes, Vol. 2 (2012).
Silfverberg, H. (2004). DGS and CAS as tools supplementing each other in an inquiry task "Locus curves" In J., Boehm (Ed.) Proceedings TIME-2004, 14-17 July 2004, Montreal, Canada.
Simonson, M. (2006). Design-Based Research. Applications for Distance Education. The Quarterly Review of Distance Education, Volume 7(1): vii–viii.
Stylianides, G.J. & Stylianides, A.J. (2010). Mathematics for teaching: A form of applied mathematics. Teaching and Teacher Education 26, 161–172.
Wang, F., & Hannafin, M. (2005). Design-based research and technology-enhanced learning environments. Educational Technology Research and Development, 53(4), 5–23.