Jetses, Tomma, Alexander Salle, and Malte Mikoleit. “Learners’ Difficulties in Applying Correct Interpretations of Mathematical Concepts: Results of an Interview Study on Basic Ideas of the Derivative and the Integral”. mathematica didactica 47 (August 21, 2024). Accessed September 1, 2024. https://journals.ub.uni-koeln.de/index.php/mathematica_didactica/article/view/1659.