Journal Article
Krauss, S.,
Brunner, M.,
Kunter, M.,
Baumert, J.,
Blum, W.,
Neubrand, M., &
Jordan, A. (2008). Pedagogical content knowledge and content knowledge of secondary mathematics teachers.
Journal of Educational Psychology,
100(3), 716–725. https://doi.org/10.1037/0022-0663.100.3.716