Kompendium E-Learning - Helmut M. Niegemann; Silvia Hessel; Dirk Hochscheid-Mauel; Kristina Aslanski; Markus Deimann; Gunther Kreuzberger (Springer, 2004)

Social interaction inside the cMOOC #ExIF13: Adaptive e-learning in distance education on a new track!? - Sebastian Vogt; Markus Deimann (CoDIT, 2014)