1. Ball, D. L., & Forzani, F. M. (2011). Teaching skillful. Educational Leadership, 68(4), 40–45.
2. Ball, D. L., Sleep, L., Boerst, T., & Bass, H. (2009). Combining the development of practice and the practice of development in teacher education. Elementary School Journal, 109, 458–474.
3. Bao, J., & Huang, R. (2007, June). Hypermedia video cases for in-service mathematics teacher professional development in China (regular lecture). In C. S. Lim, S. Fatimah, G. Munirah, S. Hajar, & M. Y. Hashimah (Eds.), Proceeding of 4th East Asia regional conference on mathematics education (pp. 47–53). Malaysia: Universiti Sans Malaysia.
4. Boaler, J., & Staples, M. (2008). Creating mathematical futures through an equitable teaching approach: The case of Railside School. Teachers College Record, 110, 8–9.
5. Borko, H., Jacobs, J., Eiteljorg, E., & Pittman, M. E. (2008). Video as a tool for fostering productive discussions in mathematics professional development. Teaching and Teacher Education, 24, 417–436.