D. Michael and S. Chen, Serious Games: Games That Educate, Train, and Inform, Course Technology PTR, 2005.

T. Susi, M. Johannesson, and P. Backlund, Serious games ? An overview. School of Humanities and Informatics, 2007.

R. Flynn, L. Mckinnon, E. Bacon, and J. Webb, Maritime City: Using Games Technology to Train Social Workers ??? Some Initial Results, Proceedings of the 10th international conference on Entertainment Computing, pp.415-418, 2011.
DOI : 10.1007/978-3-642-24500-8_55

A. Rosenbloom, Introduction, Communications of the ACM, vol.47, issue.8, pp.28-31, 2004.
DOI : 10.1145/1012037.1012058

J. A. Purdy, Serious Games: Getting Serious About Digital Games in Learning, pp.3-6, 2007.

J. Marty and T. Carron, Observation of Collaborative Activities in a Game-Based Learning Platform, IEEE Transactions on Learning Technologies, vol.4, issue.1, pp.98-110, 2011.
DOI : 10.1109/TLT.2011.1
URL : https://hal.archives-ouvertes.fr/hal-01354559

K. Squire and H. Jenkins, Harnessing the power of games in education, Insight, vol.3, pp.5-33, 2003.

M. Bodin, J. Marty, and T. Carron, Specifying Collaborative Tools in Game-Based Learning Environments: Clues from the trenches, European Conference on Game Based Learning 2011, pp.46-56, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01354561

R. Araya, A. Jiménez, M. Bahamondez, P. Dartnell, J. Soto-andrade et al., Strategies Used by Students on a Massively Multiplayer Online Mathematics Game, Proceedings of the 10th international conference on Advances in Web-Based Learning, pp.1-10, 2011.
DOI : 10.1177/1555412007304420

A. Benassi, C. Orlandi, M. Cantamesse, C. Galimberti, and G. Giacoma, World of Warcraft in the Classroom: A Research Study on Social Interaction Empowerment in Secondary Schools, European Conference on Game Based Learning, pp.35-45, 2011.

Y. Jang and S. Ryu, Exploring game experiences and game leadership in massively multiplayer online role-playing games, British Journal of Educational Technology, vol.15, issue.3, pp.616-623, 2011.
DOI : 10.1111/j.1467-8535.2010.01064.x

N. Johnson, C. Xu, Z. Zhao, N. Ducheneaut, N. Yee et al., Human group formation in online guilds and offline gangs driven by a common team dynamic, Physical Review E, vol.79, issue.6, 2009.
DOI : 10.1103/PhysRevE.79.066117

S. Egenfeldt-nielsen, Overview of research on the educational use of video games. Digital kompetanse, pp.184-213, 2006.

E. Wenger, Communities of practice: learning as a social system. The Systems Thinker, p.5, 1998.
DOI : 10.1017/CBO9780511803932

J. Preece, Sociability and usability in online communities: Determining and measuring success. Behavior and Information Technology, pp.347-356, 2001.

E. Garrot, S. George, and P. Prévôt, Supporting a virtual community of tutors in experience capitalising, International Journal of Web Based Communities, vol.5, issue.3, pp.407-427, 2009.
DOI : 10.1504/IJWBC.2009.025216
URL : https://hal.archives-ouvertes.fr/hal-00392790

N. Kamal, S. Fels, and K. Ho, Online social networks for personal informatics to promote positive health behavior, Proceedings of second ACM SIGMM workshop on Social media, WSM '10, pp.47-52, 2010.
DOI : 10.1145/1878151.1878167

C. Michel and E. Lavoué, 0 Methods for Project-Based Learning MEShaT: a Monitoring and Experience Sharing Tool Multiple Perspectives on Problem Solving and Learning in the Digital Age, pp.49-66, 2011.

S. Johnson, Everything Bad Is Good for You: How Today's Popular Culture Is Actually Making Us Smarter, 2005.

E. Lavoué, Social Tagging to Enhance Collaborative Learning, Proceedings of the 10th International Conference on Web-based Learning, pp.92-101, 2011.
DOI : 10.1016/j.compedu.2010.06.011