Saraswathi, M., and T. Bhuvaneswari. “An Efficient Securing Data Using Enhanced Key Policy Attribute Based Encryption in Cloud”. International Journal of Engineering and Technology 7, no. 4.6 (September 25, 2018): 481–486. Accessed May 13, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/28669.