VON ÄRBACH, J.; THØRVÄLD, L.; DUCK, D. F. A Relational Model of Data for Large Shared Data Banks. SD Sociology Demo Journal, [S. l.], v. 2, p. 1–3, 2020. DOI: 10.1235/sd.v2i.16. Disponível em: https://journals.academebooks.com/index.php/sd/article/view/16. Acesso em: 22 dec. 2024.