PENUBADI, Harshavardhan Reddy et al. Sustainable electronic document security: A comprehensive framework integrating encryption, digital signature and watermarking algorithms. Heritage and Sustainable Development, [S. l.], v. 5, n. 2, p. 391–404, 2023. DOI: 10.37868/hsd.v5i2.359. Disponível em: https://hsd.ardascience.com/index.php/journal/article/view/359. Acesso em: 4 jul. 2026.