A New Multiple Blind Signatures Using El-Gamal Scheme. Journal of Madenat Alelem, [S. l.], v. 10, n. 2, p. 30–41, 2018. Disponível em: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/28. Acesso em: 23 feb. 2026.