Pifarré, M. & Cobos, R. (2009)
In Computer supported collaborative learning practices. Conference Proceedings (pp. 636-640). Rhodes: International Society of the Learning Sciences (ISLS).
Cobos, R. & Pifarré, M. (2005)
En R.Navarro y J. Lorés. HCI related papers of interaction 2004. Selection of best papers. London: Kluwer Academic Publishers (Springer).
Pifarré, M. (2007)
Studies in Higher Education. Volum: 32 (3), 389-408.
Cobos, R. & Pifarré, M. (2008)
Computers and Education, 50, 962-978.
Pifarré, M. & Cobos, R. (2009)
Educational Technology Research Development, 57(6), 787–799.