1. Abi-El-Mona, I., & Abd-El-Khalick, F. (2006). Argumentatitve discourse in high school chemistry classrooms. School Science and Mathematics, 106, 349–361.
2. Abrahams, I., & Millar, R. (2008). Does practical work really work? A study of the effectiveness of practical works as teaching and learning method in school science.International Journal of Science Education, 30(14), 1945–1969.
3. Aikenhead, G. (2003). Science-based occupations and the science curriculum: Concepts of evidence. Science Education, 89, 242–275.
4. Americal Association for the Advancement of Science (AAAS), (1989), Project 2061: Science for all Americans, Washington, DC.
5. Baird, J. R., & White, R. T. (1996). Metacognitive strategies in the classroom. In D. F. Treagust, R. Duit, & B. J. Fraser (Eds.), Improving teaching and learning in science and mathematics (pp. 190–200). New York: Teachers College Press.