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- Nyberg, Kenneth, “Some Radical Comments on Interpretation.” The Interpreter 12 (1979) no. 3.
- Sharpe, Grant W. (Ed.) Interpreting the Environment. New York: John Wiley and Sons, 1976.
- Tilden, Freeman. Interpreting Our Heritage. Chapel Hill: University of North Carolina Press, 1957.
- Van Matre, Steve. Acclimatization. American Camping Association, Bradford Woods, Martinville, Indiana, 1972.
- Van Matre, Steve, “The Four ‘F's’ of Education.” Trends. Washington, D.C.: National Park Service (April-June, 1975): 12–15.
The Journal of Environmental Education
Volume 14, 1982 - Issue 2