DOLOG, Peter; BIELIKOVÁ, Mária. Hypermedia systems modelling framework. COMPUTING AND INFORMATICS, [S. l.], v. 21, n. 3, p. 221–239, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/496. Acesso em: 7 dec. 2023.