Neitola, Marko Tuomo Tapani. “Circuit Theory E-Assessment Realized in an Open-Source Learning Environment”. International Journal of Engineering Pedagogy (iJEP) 9, no. 1 (February 22, 2019): pp. 4–18. Accessed May 6, 2024. https://online-journals.org/index.php/i-jep/article/view/9072.