VON ÄRBACH, J.; THØRVÄLD, L.; DUCK, D. F. A Relational Model of Data for Large Shared Data Banks. Demo Journal One: Swirl, [S. l.], v. 1, n. 2, p. 1–3, 2020. DOI: 10.1234/djo.v1i2.13. Disponível em: https://journals.academebooks.com/index.php/djo/article/view/13. Acesso em: 23 nov. 2024.