Ahmed Mateen and Zhu Qingsheng and Ahmad Bilal, Optimized Approach for Secure Data Sharing in Distributed Database. journal = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2018, vol. 138(6). 371 - 376 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10009052.