1. LNCS;D. Adamson,2012
2. Lecture Notes in Computer Science;H. Ai,2010
3. Berkowitz, M., Gibbs, J.: Measuring the developmental features of moral discussion. Merrill-Palmer Quarterly 29, 399–410 (1983)
4. Chaudhuri, S., Kumar, R., Howley, I., Rosé, C.P.: Engaging Collaborative Learners with Helping Agents. Submitted to Artificial Intelligence in Education (2009)
5. Dyke, G., Lund, K., Girardot, J.-J.: Tatiana: an environment to support the CSCL analysis process. In: CSCL 2009, Rhodes, Greece, pp. 58–67 (2009)