ABDULSALAM, W. H. Security For Three-Tiered Web Application. Ibn AL- Haitham Journal For Pure and Applied Sciences, [S. l.], v. 28, n. 2, p. 193–199, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/225. Acesso em: 21 may. 2022.