HÁJEK, P.; VÍT, O. Front Matter: Volume 4. Proceedings of CBU in Natural Sciences and ICT, [S. l.], v. 4, p. i-viii, 2024. DOI: 10.12955/pns.v4.402. Disponível em: https://ojs.cbuic.cz/index.php/pns/article/view/402. Acesso em: 5 nov. 2026.