S.SADESH; G.ASHISH. Fine-grained request approval with truth form over encrypted spatial data in cloud storage . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 8, n. 4, p. 718–726, 2020. Disponível em: https://ijiarec.com/ijiarec/article/view/1123. Acesso em: 9 may. 2024.