THOI, N. T. . RESEARCH AND APPLICATION OF DIGITAL SIGNATURES IN E-COMMERCE TODAY. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 2, p. 2276–2282, 2021. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/1130. Acesso em: 5 jan. 2025.