خلوفي س., & 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), 207–232. Retrieved from https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/351