1. Abrahams, I., & Millar, R. (2008). Does practical work really work? A study of the effectiveness of practical work as a teaching and learning method in school science. International Journal of Science Education, 30, 1945–1969.
2. Bennett, J. (2003). Teaching and learning science: A guide to recent research and its application. London: Continuum.
3. Bybee, R. (2000). Teaching science as inquiry. In J. Minstrel & E. H. Van Zee (Eds.), Inquiring into inquiry learning and teaching in science (pp. 20–46). Washington, DC: American Association for the Advancement of Science (AAAS).
4. Cuccio-Schirripa, S., & Steiner, H. E. (2000). Enhancement and analysis of science question level for middle school students. Journal of Research in Science Teaching, 37, 210–224.
5. Domin, D. S. (1998). A content analysis of general chemistry laboratory manuals for evidence of high-order cognitive tasks. Journal of Chemical Education, 76, 109–111.