https://hal-normandie-univ.archives-ouvertes.fr/hal-03318680 Contributor : Adodo Nestor KOUAMIConnect in order to contact the contributor Submitted on : Tuesday, August 10, 2021 - 4:02:46 PM Last modification on : Tuesday, April 19, 2022 - 3:25:03 PM Long-term archiving on: : Thursday, November 11, 2021 - 6:15:07 PM