Ghazali A, Ghomazi khalsa. The obstacles of centralization in managing crisis and pandemics Corona pandemic crisis in Algeria: تاريخ الاستلام:09/11/2020 تاريخ القبول:07/05/2023. RDRH [Internet]. 2023 May 31 [cited 2026 Nov. 2];18(01):505-26. Available from: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/183