AAFIYA, Daimi. Research 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. 6–13, 2019. Disponível em: https://ijsrcse.isroset.org/index.php/j/article/view/315. Acesso em: 5 apr. 2025.