S.K. Katsikas, J. Lopez and G. Pernul, “Trust, Privacy and Security in Digital Business”, Computer Science, Systems and Engineering, Vol. 6, σελ. 391-399, 2005.
S.K. Katsikas, J. Lopez and G. Pernul, “Trust, Privacy and Security in Digital Business”, Computer Science, Systems and Engineering, Vol. 6, σελ. 391-399, 2005.