Jinhui Yao, Shiping Chen, Chen Wang, David Levy, and John Zic. “Strong Accountability for Service Compliance in the Cloud”. International Journal of Next-Generation Computing 2, no. 2 (July 1, 2011): 180–199. Accessed May 10, 2024. http://ijngc.perpetualinnovation.net/index.php/ijngc/article/view/97.