R. G. Dande, D. Amol D. Potgantwar, and D. Amol D. Potgantwar, “An efficient scheme to support direct revocation in cloud computing using CPABE: The approach with less time constraints”, IJET, vol. 7, no. 3, pp. 1668–1673, Aug. 2018, doi: 10.14419/ijet.v7i3.14636.