, M. P. C. T. P. M. M. B. An Enhanced Authentication System using Multi-Level Security for web Services. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 3, n. 5, p. 3019–3024, 2015. DOI: 10.17762/ijritcc.v3i5.4383. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/4383. Acesso em: 26 apr. 2024.