ЛЮБІЧ, О. О. Artificial intelligent systems based on knowledge. Problems of Informatization and Management, [S. l.], v. 1, n. 10, p. 136–139, 2004. DOI: 10.18372/2073-4751.1.11371. Disponível em: https://jrnl.nau.edu.ua/index.php/PIU/article/view/11371. Acesso em: 23 feb. 2026.