M. Hölbl and T. Welzer, “Students’ Feedback and Communication Habits using Moodle”, ELEKTRON ELEKTROTECH, vol. 102, no. 6, pp. 63–66, May 2010, Accessed: Jan. 23, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/9354