Source: https://www.fnege.org/uploads/documents/appel-a-contributions-pour-le-2eme-semestre-2020-de-la-revue-internationale-resaddersse-international-ri5ede09baa8655-Appel%C3%A0contributionspourle2%C3%A8mesemestre2020delaRevueResaddersseInternational.pdf