ذهب صالح; 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, [S. l.], v. 16, n. 04, p. 110–136, 2021. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/388. Acesso em: 2 nov. 2026.