AAFIYA, Daimi. Survey on Minimizing Payment Cost of Multiple Cloud Service Provider. International Journal of Scientific Research in Computer Science and Engineering, [S. l.], v. 7, n. 4, p. 1–5, 2019. Disponível em: https://ijsrcse.isroset.org/index.php/j/article/view/314. Acesso em: 4 apr. 2025.