CLAUSEN, Søren Witzel. The pedagogical content knowledge of Danish geography teachers in a changing schooling context. Nordidactica. Journal of Humanities and Social Science Education, [S. l.], v. 6, n. 2016:1, p. 1–22, 2016. Disponível em: https://journals.lub.lu.se/nordidactica/article/view/19019. Acesso em: 16 mar. 2025.