A. Harrer, R. Hever, and S. Ziebarth. Artificial Intelligence in Education - Building Technology Rich Learning Contexts that Work, 158, page 503-510. Amsterdam, IOS Press, (2007)
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)
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)
N. Malzahn, A. Harrer, and S. Zeini. Mice, Minds, and Society - The Computer Supported Collaborative Learning (CSCL) Conference 2007, 8, page 547-550. International Society of the Learning Sciences, (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)
A. Harrer, L. Kobbe, and N. Malzahn. Mice, Minds, and Society - The Computer Supported Collaborative Learning (CSCL) Conference 2007, 8, page 277-279. International Society of the Learning Sciences, (2007)
R. Hever, R. Groot, M. Laat, A. Harrer, U. Hoppe, B. McLaren, and O. Scheuer. Mice, Minds, and Society - The Computer Supported Collaborative Learning (CSCL) Conference 2007, 8, page 286-288. International Society of the Learning Sciences, (2007)
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)
A. Harrer, A. Lucarz, and N. Malzahn. Groupware: Design, Implementation, and Use, 13th International Workshop, CRIWG 2007, Bariloche, Argentina, September 16-20, 2007, Proceedings, 4715, page 239-246. Berlin / Heidelberg, Springer, (2007)