БОРОДІН, В.А. Flexible search method in online databases. Proceedings of National Aviation University (archive), [S. l.], v. 37, n. 4, p. 118–120, 2008. DOI: 10.18372/2306-1472.37.1645. Disponível em: https://jrnl.kai.edu.ua/index.php/visnik/article/view/1645. Acesso em: 10 oct. 2026.