C. MANI; P. DHINESHRAAJ. Securing Digitally Signed Documents on Cloud Infrastructure . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 6, n. 2, p. 1619–1625, 2018. Disponível em: https://ijiarec.com/ijiarec/article/view/706. Acesso em: 7 may. 2024.