Ambassador Audiences Culture Diashow General activities Dr Hassana – Audience Wednesday, 29 December 2021 | 18:12 CETTuesday, 22 February 2022 | 18:35 CET 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