Helker, Kerstin, and Marold Wosnitza. “Responsibility in the School Context - Development and Validation of a Heuristic Framework”. Frontline Learning Research 2, no. 3 (July 1, 2014): 115–139. Accessed February 28, 2025. https://flr.journals.publicknowledgeproject.org/flr/index.php/journal/article/view/99.