1. Teacher pedagogical content knowledge, practice, and student achievement
2. Luft, J. A.; Hill, K.; Weeks, C.; Raven, S.; Nixon, R. S. The Knowledge Needed for Teaching Science: A Study of In and Out-of-Field Science Teachers. Proceedings of the Annual National Association for Research in Science Teaching, Rio Grande, Puerto Rico; 6–9 April 2013.
3. Toerien, R. Transforming Content Knowledge: A Case Study of an Experienced Science Teacher Teaching in a Typical South African Secondary School. Masters Thesis, University of Cape Town, Cape Town, South Africa, March 2013.
4. What Prospective Chemistry Teachers Know about Chemistry: An Analysis of Praxis Chemistry Subject Assessment Category Performance