Saraswathi, M., and T. Bhuvaneswari. “An Efficient Securing Data Using Enhanced Key Policy Attribute Based Encryption in Cloud”. International Journal of Engineering & Technology 7, no. 4.6 (September 25, 2018): 481–486. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/28669.