PÉNTEK, Ádám. Digital signature adaptation to e-commerce. Acta Agraria Debreceniensis, [S. l.], n. 34, p. 153–159, 2009. DOI: 10.34101/actaagrar/34/2837. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2837.. Acesso em: 1 may. 2024.