Towards securing cloud data in the multi-cloud scenario. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 2, p. 868–872, 2021. DOI: 10.21533/pen.v9.i2.790. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/790. Acesso em: 25 jul. 2026.