1. American Association for the Advancement of Science (AAAS). (1993).Benchmarks for science literacy. New York: Oxford University Press.
2. Book, A., & Driver R. (1986).Aspects of secondary students’ understanding of energy summary report. Leeds, UK: University of Leeds, Centre for Studies in Science and Mathematics Education.
3. Brook, A., & Wells, P. (1988). Conserving the circus: An alternative approach to teaching and learning about energy.Physics Education, 23, 80–85.
4. Bybee, R. (1997).Achieving scientific literacy: From purposes to practices. Portsmouth, NH: Heinemann.
5. Duit, R. (1981). Understanding energy as a conserved quantity: Remarks on the article by R. U. Sexl.European Journal of Science Education, 3(3), 291–301.