Zhang, Yinghui, Dong Zheng, Rui Guo, and Qinglan Zhao. “Fine-Grained Access Control Systems Suitable for Resource-Constrained Users in Cloud Computing”. COMPUTING AND INFORMATICS 37, no. 2 (July 3, 2018): 327–348. Accessed April 25, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/2018_2_327.