HÖLBL, M.; WELZER, T. Students’ Feedback and Communication Habits using Moodle. Elektronika ir Elektrotechnika, [S. l.], v. 102, n. 6, p. 63–66, 2010. DOI: 10.5755/j02.eie.9354. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/9354.. Acesso em: 4 may. 2026.