1. AAAS Commission on Science Education, Guidelines and Standards for the Education of Secondary School Teachers of Science and Mathematics, AAAS Miscellaneous Publication, Washington D.C., 1971, pp. 71–79.
2. National Society for the Study of Education, Rethinking Science Education 59th Yearbook of the National Society for the Study of Education, Chicago: University of Chicago Press, 1960.
3. Commission on College Physics, Preparing High School Physics Teachers II, revised edition, College Park: University of Maryland, 1972.
4. Understanding of science in high school physics
5. The attainment of the concept “understanding science” using contrasting physics courses