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2.
Knox, Lois, Margaret Lenz AND Thelma Beardsley , The Use of Contemporary Materials in the Classroom , National Education Association, ( Washington, 1963).
3.
Rath, Louis, Merrill, Harmin, AND Sidney Simon, Values and Teaching, (Colombus, Ohio: Charles E. Merrill Co., 1966).
4.
Read, Donald A., AND Walter H. Greene , Creative Teaching in Health, ( New York: MacMillan Publishing Co. Inc., 1975).
