https://edutice.archives-ouvertes.fr/edutice-00000300 Contributor : Florence GalandConnect in order to contact the contributor Submitted on : Tuesday, December 16, 2003 - 12:12:00 PM Last modification on : Tuesday, September 17, 2019 - 9:35:55 AM Long-term archiving on: : Monday, March 29, 2010 - 5:54:19 PM