https://edutice.archives-ouvertes.fr/edutice-00000350 Contributor : Florence GalandConnect in order to contact the contributor Submitted on : Thursday, February 5, 2004 - 12:15:42 PM Last modification on : Monday, October 19, 2020 - 11:07:58 AM Long-term archiving on: : Monday, March 29, 2010 - 5:57:19 PM