CohenD. K. (1995). What is the system in systemic reform?Educational Researcher, 24(9), 11–17.
2.
National Commission on Excellence in Education (1983). A nation at risk: the imperative for educational reform.Washington, D.C.: U.S. Government Printing Office.
3.
National Commission for Teaching and America's Future. (1996). What matters most: Teaching for America's future.New York: NCTAF.
4.
National Education Association of the United States. (1918). Cardinal principles of secondary education. A report of the Commission on the reorganization of secondary education.Washington, D.C.: U.S. Government Printing Office.