ذهب صالح, and بن مولود وثيق. “Strategies and Areas of the Situation During Crises - The Coved Pandemic 19amodel -: تاريخ الاستلام:06 08 2020 تاريخ القبول:16 04 2021”. Human Resources Development Research 16, no. 04 (December 27, 2021): 110–136. Accessed November 2, 2026. https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/388.