Lytras, M. D., Ruan, D., Tennyson, R. D., Ordonez De Pablos, P., Garca̕ Peąlvo, F. J., & Rusu, L. (2013). Information Systems, E-learning, and Knowledge Management Research: 4th World Summit on the Knowledge Society, WSKS 2011, Mykonos, Greece, September 21-23, 2011. Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.

Lytras, Miltiadis D., Da Ruan, Robert D. Tennyson, Patricia Ordonez De Pablos, Francisco Jos.̌ Garca̕ Peąlvo, and Lazar Rusu. Information Systems, E-learning, and Knowledge Management Research: 4th World Summit On the Knowledge Society, WSKS 2011, Mykonos, Greece, September 21-23, 2011. Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.

Lytras, Miltiadis D., et al. Information Systems, E-learning, and Knowledge Management Research: 4th World Summit On the Knowledge Society, WSKS 2011, Mykonos, Greece, September 21-23, 2011. Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.