Orey, M., McClendon, V. J., & Branch, R. M. (2011). Adaptech Research Network. Educational Media & Technology Yearbook 2011 (vol. 36, ch: 26). New York: Springer.
Chapter in M. Orey, V.J. McClendon, and R.M. Branch
Orey, M., McClendon, V. J., & Branch, R.M. (2009). United States and Canada. Chapter in M. Orey, V.J. McClendon, and R.M. Branch, Educational media and technology yearbook. (vol. 34, pp. 319-405)