1. Ball, D.L. (1994, November). Developing mathematics reform: What don’t we know about teacher learning—but would make good working hypotheses? Paper presented at the Conference on Teacher Enhancement in Mathematics K-6, Arlington, VA.
2. Ball, D.L., Ben-Peretz, M., & Cohen, R. (2001, April). Records of practice and the development of collective professional knowledge. Paper presented at the annual meeting of the American Educational Research Association, Seattle, WA.
3. Developing practice, developing practitioners: Toward a practice-based theory of professional education;Ball,1999
4. Preparing teachers to foster algebraic thinking;Borko;Zentralblatt für didaktik der mathematik: International reviews on mathematical education,2005