Information Systems, E-learning, and Knowledge Management Research - Lytras, Miltiadis D.; Ruan, Da; Tennyson, Robert D.; Garcia-Penalvo, Francisco Jose; García Peñalvo, Francisco José; Ordonez De Pablos, Patricia; Ruan, Da; Rusu, Lazar; Tennyson, Robert D. (Springer Berlin Heidelberg, 2013)