AYYUB, Shaheen; ROY, Devshree. Cloud Computing Characteristics and Security Issues. International Journal of Computer Sciences and Engineering, [S. l.], v. 1, n. 4, p. 18–22, 2013. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/21. Acesso em: 2 feb. 2026.