H. Andreas, N. Malzahn, S. Zeini, and H. Hoppe. Mice, Minds, and Society - The Computer Supported
Collaborative Learning (CSCL) Conference 2007, 8, page 267--276. International Society of the Learning Sciences, (2007)
H. Andreas, N. Malzahn, S. Zeini, and H. Hoppe. Mice, Minds, and Society - The Computer Supported Collaborative Learning (CSCL) Conference 2007, 8, page 267-276. International Society of the Learning Sciences, (2007)
A. Anjewierden, W. Chen, A. Wichmann, and S. van Borkulo. Proceedings of the 8th International Conference on Computer Supported Collaborative Learning (CSCL 2009), Rhodes, Greece, (June 2009)
L. Bollen, S. Eimler, and H. Hoppe. Proceedings of the 2nd IEEE International Workshop on Wireless and Mobile Technologies in Education, WMTE 2004, page 209-210. Los Alamitos, California (USA), , (2004)
L. Bollen, S. Eimler, and U. Hoppe. Proceedings of the 4th IEEE International Conference on Advanced Learning Technologies, ICALT 2004, page 550-554. Los Alamitos, CA, IEEE, (2004)
L. Bollen, A. Harrer, and H. Hoppe. Proceedings of the 4th IEEE International Conference on Advanced Learning Technologies, ICALT 2004, page 1094-1095. , (2004)
L. Bollen, A. Harrer, H. Hoppe, and W. van Joolingen. The 7th IEEE International Conference on Advanced Learning Technologies ICALT 2007, page 15-17. Los Alamitos, CA., IEEE Computer Society, (2007)
L. Bollen, H. Hoppe, M. Milrad, and N. Pinkwart. Proceedings of the XX International Conference of the System Dynamics Society, page 53. Palermo, Italy, , (2002)
L. Bollen, G. Juarez, M. Westermann, and H. Hoppe. Proceedings of 4th International Workshop on Wireless, Mobile and Ubiquitous Technologies in Education (WMUTE), page 137-141. Los Alamitos, CA, IEEE, (2006)
L. Bollen, N. Pinkwart, M. Kuhn, and H. Hoppe. Digitaler Campus. Vom Medienprojekt zum nachhaltigen Medieneinsatz in der Hochschule. (Reihe Medien in der Wissenschaft), Münster, Waxmann Verlag, (2003)
N. Capuano, D. Dicheva, A. Harrer, and R. Mizoguchi. Artificial Intelligence in Education - Building Technology Rich Learning Contexts that Work, volume 158 of Frontiers in Artificial Intelligence and Applications, page 721. Amsterdam, IOS Press, (2007)
V. Devedzic, J. Good, A. Harrer, R. Luckin, D. Pearce, S. Retalis, and J. Robertson. Artificial Intelligence in Education - Building Technology Rich Learning Contexts that Work, volume 158 of Frontiers in Artificial Intelligence and Applications, page 715. Amsterdam, IOS Press, (2007)
K. Gaßner. Proceedings of the European Conference on Computer-Supported Collaborative Learning (Euro-CSCL 2001), page 261-268. Maastricht, The Netherlands, , (2001)
K. Gaßner, and H. Hoppe. Heinz Mandl & Frank Fischer (2000): Wissen sichtbar machen, Wissensmanagement und Mapping-Techniken Göttingen: Hogrefe, (2000)