1. Abraham, M. R., Craolice, M. S., Palmer Graves, A., Aldhamash, A. H., Kihega, J. G., Palma Gal, J. G., & Varghese, V. (1997). The nature and state of general laboratory courses offered by colleges and universities in the United States. Journal of Chemical Education, 74, 591–594.
2. Abraham, M., Williamson, V., & Westbrook, S. (1994). A cross-age study of the understanding of five chemistry concepts. Journal of Research in Science Teaching, 31, 147–165.
3. Adar, L. (1969). A theoretical framework for the study of motivation in education. Jerusalem: The Hebrew University School of Education.
4. American Association for the Advancement of Science (1989 & 1990). Project 2061: Science for all Americans. Washington, DC.
5. Ashkenazi, G., & Weaver, G. C. (2007). Using lecture demonstrations to promote the refinement of concepts: The case of teaching solvent miscibility. Chemistry Education Research and Practice, 8, 186–196.