R. Abreu-de-paula, The Construction of Usefulness: How Users and Context Create Meaning with a Social Networking System ? Dissertation available at http, 2004.

M. Akrich, The Description of Technical Objects (Editors) Shaping Technology / Building Society, 1992.

L. Bardin, L'analyse de contenu, 1983.

G. C. Bowker and S. L. Star, Sorting Things Out, Classification and its Consequences, 1999.

M. Callon, Some Elements of a Sociology of Translation: Domestication of the Scallops and the Fishermen of Saint Brieuc Bay (Editor) The Sciencer Studies Reader, pp.67-83, 1999.

P. Checkland, Systems Thinking, Systems Practice, 1981.

A. Daele, Développement professionnel des enseignants dans un contexte de participation à une communauté virtuelle : une étude exploratoire. Mémoire de DEA en Sciences de l'Education, UCL, 2004.

S. Gasson, A genealogical study of boundary-spanning IS design, European Journal of Information Systems, vol.6, issue.2, pp.26-41, 2006.
DOI : 10.1007/BF01059831

J. Greenbaum and D. Stuedahl, Deadlines and Work Policies in New Media Development: It's about time, PDC 2000 Proceedings of the Participatory Design Conference, CPSR. Palo Alto, 2000.

J. Highsmith, The Agile Revolution, 2004.

J. Kaufmann, L'entretien compréhensif, 1996.

B. Latour, The Sociology of a Few Mundane Artifacts (Editors) Shaping Technology / Building Society, 1992.

B. Latour, Aramis or The Love of Technology, 1996.

B. Latour, On Recalling ANT Actor network Theory and After, 1999.

J. Law, Notes on the Theory of the Actor-Network: Ordering, Strategy, and Heterogeneity, Systems Practise, pp.379-393, 1992.

L. 'ecuyer and R. , Méthodologie de l'analyse développementale de contenu : Méthode GPS et concept de soi, 1990.

W. Maner, Rapid Application Developement

N. Mcbride, Using Actor-Network Theory to Predict the Organisational Success of a Communications Network

M. B. Miles and A. M. Huberman, Analyse des données qualitatives, 2003.

E. Monteiro, Actor-network Theory From Control to Drift, 2000.

A. Mucchielli, Dictionnaire des méthodes qualitatives en sciences humaines et sociales, 1996.

F. Stalder, Actor-Network-Theory and Communication Networks: Toward Convergence, 1997.

D. Tilson and K. Lyytinen, Making Broadband Wireless Services: An Actor- Network Study of the US Wireless Industry Standard Adoption, Sprouts: Working Papers on Information Environments, Systems and Organizations, vol.5, issue.3, pp.137-154, 2005.

G. Paquette, Modélisation des connaissances et des compétences, un langage graphique pour concevoir et apprendre, 2002.

G. Paquette, M. Léonard, K. Lundgren-cayrol, S. Mihaila, and D. Gareau, Learning Design based on Graphical Knowledge-Modelling, Educational Technology & Society, vol.9, issue.1, pp.97-112, 2006.

B. Pudelko, A. Daele, and F. Henri, Méthodes d'étude des communautés Comprendre les communautés virtuelles d'enseignants : pratiques et recherches, L'Harmattan, pp.127-155, 2006.

P. Rabardel, Les Hommes et les Technologies : approche cognitive des instruments contemporains, 1995.
URL : https://hal.archives-ouvertes.fr/hal-01017462

L. Rourke, T. Anderson, R. Garrison, and W. Archer, Methodological Issues in the Content Analysis of Computer Conference Transcripts, International Journal of Artificial Intelligence in Education, vol.11, 2001.
URL : https://hal.archives-ouvertes.fr/hal-00197319

K. Schwaber, Agile Project management with SCRUM, 2004.

I. Sommerville, Software Engineering, 2006.

L. S. Vygotsky, Thought and Language, 1962.

E. Wenger, Communities of Practice: Learning, Meaning and Identity The treated data will be also used for communicating and collaborating with each CoP for validation purpose, 1998.
DOI : 10.1017/CBO9780511803932

B. Pudelko, A. Daele, and F. Henri, Méthodes d'étude des communautés Comprendre les communautés virtuelles d'enseignants : pratiques et recherches, ? Some references about ethical issues: L'Harmattan, pp.127-155, 2006.

L. Rourke, T. Anderson, R. Garrison, and W. Archer, Methodological issues in the content analysis of computer conference transcripts, International Journal of Artificial Intelligence in Education, vol.11, 2001.
URL : https://hal.archives-ouvertes.fr/hal-00197319