خلوفي س. and شريط ك. (2021) “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, 16(03), pp. 207–232. Available at: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/351 (Accessed: 2 November 2026).