Berman, P., & McLaughlin, M.W.Federal programs supporting educational change: Implementing and sustaining innovations. (Vol. 3) Prepared for the U.S. Office of Education, Department of Health, Education, and Welfare. R-1589/8-HEW. Santa Monica, Calif.: Rand, May 1978.
2.
Dewey, J.The sources of a science of education. The Kappa Delta Pi Lecture Series. New York: Horace Liveright, 1929 .
3.
Graham, P.A.Let's get together on educational research. Today's Education, February-March1979, 68(1), 26-30.