Kälberer, Nina, Cornelia Böhmer, Katrin Tschirpke, Brigitte Petendra, and Eva Maria Beck-Meuth. “Preparatory Mathematics Course for Non-Traditional Engineering Students”. International Journal of Engineering Pedagogy (iJEP) 4, no. 4 (October 5, 2014): pp. 51–58. Accessed September 28, 2022. https://online-journals.org/index.php/i-jep/article/view/3999.