Ambassador Audiences Culture Diashow General activities DR HASSANA – AUDIENCE Wednesday, 29 December 2021 | 18:12 CETWednesday, 15 May 2024 | 20:18 CEST Editorial Team Audience with the Dr. HASSANA who defended a PhD thesis in education sciences at the University of Hamburg in co-direction with the University of Maroua. Dr Hassana - Audience Dr Hassana - Audience Dr Hassana - Audience