Amarel, M., A. Bussis, and E.A. Chittenden . "Teacher Perspective on Change to an Open Approach ." Paper presented at the annual meeting of the American Educational Research Association, New Orleans , March 1973.
2.
Armington, D. "A Plan for Continuing Growth." In E. B. Nyquist and G. R. Hawes , eds., Open Education: A Sourcebook for Parents and Teachers . New York: Bantam Books, 1972.
3.
Katz, L.G.The Enabler Model for Early Childhood Programs. Urbana, Ill.: University of Illinois, ERIC Clearinghouse on Early Childhood Education, 1971. ED 066 223.
