K. Lamprou, S. Gritzalis and S.K. Katsikas, “Security Architectures for Online Distance Learning and Training: A state-of-the-art review”, Themes in Education, Vol. 7, no 1, σελ. 63-77, 2006.
K. Lamprou, S. Gritzalis and S.K. Katsikas, “Security Architectures for Online Distance Learning and Training: A state-of-the-art review”, Themes in Education, Vol. 7, no 1, σελ. 63-77, 2006.