1. Beall, H. & Prescott, S. (1994). Concepts and calculations in chemistry teaching and learning. Journal of Chemical Education, 71, 111–112.
2. Bennett, C., Evans, R. & Michel, R. (2003). The relationship of teacher generated lecture questions, lab questions, test questions, and student achievement. In L. P. McCoy (Ed.), Studies in teaching: 2003 research digest (pp. 6–10). Winston-Salem: Wake Forest University.
3. Berg, C. A. & Smith, P. (1994). Assessing students’ abilities to construct and interpret line graphs: Disparities between multiple-choice and free-response instruments. Science & Education, 78, 527–554.
4. Bodner, G. M. (1991). Toward a unified theory of problem solving: A view from chemistry. In M. U. Smith (Ed.), Toward a unified theory of problem solving: Views from the content domain (pp. 21–34). Hillsdale: Lawrence Erlbaum.
5. Bodner, G. M. & Herron, J. D. (2003). Problem solving in chemistry. In J. K. Gilbert, O. De Jong, R. Justi, D. F. Treagust, & J. H. Van Driel (Eds.), Chemical education: Towards research-based practice (pp. 235–266). New York: Kluwer.