Assessment of Dongle-based Software Copy Protection Combined with Additional Protection Methods. Elektronika ir Elektrotechnika, [S. l.], v. 112, n. 6, p. 111–116, 2011. DOI: 10.5755/j01.eee.112.6.459. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/459.. Acesso em: 5 dec. 2025.