I. Marenzi, R. Kupetz, W. Nejdl, and S. Zerr. Proc. of 9th International Conference on Web-based Learning (ICWL2010), 8-10 December 2010, Shanghai University, Shanghai, China, (2010)
I. Marenzi, R. Kupetz, W. Nejdl, and S. Zerr. Proc. of 9th International Conference on Web-based Learning (ICWL2010), 8-10 December 2010, Shanghai University, Shanghai, China, (2010)