Stefan Hrastinski, Christina Keller, Sven A. Carlsson. Prescriptive Guidelines for when to Use Synchronous Communication in E-Learning Environments. In Hubert Österle, Joachim Schelp, Robert Winter, editors, Proceedings of the Fifteenth European Conference on Information Systems, ECIS 2007, St. Gallen, Switzerland, 2007. pages 358-369, University of St. Gallen, 2007. [doi]
Abstract is missing.