LARSEN, K. S. High Level Efficiency in Database Languages. DAIMI Report Series, [S. l.], v. 22, n. 434, 1993. DOI: 10.7146/dpb.v22i434.6751. Disponível em: https://tidsskrift.dk/daimipb/article/view/6751. Acesso em: 9 may. 2024.