ANNAPPAIAN, D. H.; AGRAWAL, V. K. Multilevel Cryptography with Metadata and Lock Approach for Storing Data in Cloud. Discoveries in Agriculture and Food Sciences, [S. l.], v. 2, n. 6, p. 47–55, 2015. DOI: 10.14738/tnc.26.591. Disponível em: https://journals.scholarpublishing.org/index.php/TNC/article/view/591. Acesso em: 22 dec. 2024.