خلوفي سفيان; شريط كمال. Towards building and activating an early warning system forepidemic risks to confront the expected fourth generation of the Corona virus in Algeria- A necessity after the Coronavirus, Covid-19 (suggested model): تاريخ الاستلام:26/10/ 2020 تاريخ القبول:18/02/2021. Human Resources Development Research, [S. l.], v. 16, n. 03, p. 207–232, 2021. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/351. Acesso em: 3 nov. 2026.