Neuhaus, Till, and Marc Jacobsen. “The Troubled History of Grades and Grading: A Historical Comparison of Germany and the United States”. Formazione & insegnamento 20, no. 3 (December 30, 2022): 588–601. Accessed July 3, 2024. https://ojs.pensamultimedia.it/index.php/siref/article/view/5830.