VILIHURA , V. . Analysis of formal models for access control and specific features of their applicability to databases. Radiotekhnika, [S. l.], v. 2, n. 205, p. 53–70, 2021. DOI: 10.30837/rt.2021.2.205.05. Disponível em: http://rt.nure.ua/article/view/239517. Acesso em: 24 apr. 2024.