Bao Rong Chang, Hsiu-Fen Tsai, and Chi-Ming Chen, “High-Performed Virtualization Services for In-Cloud Enterprise Resource Planning System,” Journal of Information Hiding and Multimedia Signal Processing, Vol.5, No. 4, pp. 614-624, October 2014. (EI) (NSC 100-2221-E-390 -011 -MY3)