Laub, Jochen, Dirk Felzmann, and Michael Horn. “Subject-Related Ethical Professional Knowledge of Geography Teachers As Prerequisite to Promote Ethical Judgement in Geography Lessons”. Journal of Geography Education 49, no. 1 (October 14, 2021): 1–13. Accessed April 2, 2026. https://zgd-journal.de/index.php/zgd/article/view/45.