B.Natraj Kumar, M.Sri Lakshmi, Dr S.Prem Kumar. Investigation on Revocable Fine-grained Access Control Scheme for Multi-Authority Cloud Storage Systems. Int. J. Comput. Eng. Res. Trends [Internet]. 2015 Aug. 31 [cited 2026 Aug. 14];2(8):486-91. Available from: https://www.ijcert.org/index.php/ijcert/article/view/213