PISTOL, L.; BUCEA-MANEA-TONIS, R. Logical Querying of Relational Databases. Journal of Economic Development, Environment and People, [S. l.], v. 5, n. 4, p. 58–62, 2016. DOI: 10.26458/jedep.v5i4.518. Disponível em: http://ojs.spiruharet.ro/jedep/article/view/1647. Acesso em: 25 nov. 2024.