N.SWETHA; PROF. S RAMACHANDRAM. A Survey: Query Processing Techniques for Secure Cloud Databases. International Journal of Computer Engineering in Research Trends, [S. l.], v. 2, n. 12, p. 1257–1262, 2015. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/334. Acesso em: 14 aug. 2026.