WHAT ARE THE COMPREHENSIVE REFERENCES FOR THE FIELD?
There is one major encyclopedia: * Plomp, T. & Ely, D. P. (Eds.). (1996). “The international encyclopedia of educational technology (2nd ed.).” New York: Elsevier Science. There is one major yearbook which offers articles on current issues and extensive lists of people, organizations, literature, and other resources: * Branch, R. M., & Fitzgerald, M. A. (Eds.). (2000). “Educational media and technology yearbook.” Englewood, CO: Libraries Unlimited.