YESIN, V. Database schema invariant to subject domains and its distinctive features. Radiotekhnika, [S. l.], v. 2, n. 193, p. 133–142, 2018. DOI: 10.30837/rt.2018.2.193.13. Disponível em: http://rt.nure.ua/article/view/175764. Acesso em: 4 may. 2024.