SALEM, Radia; BOUZEBDA, Naima. Online education as a mechanism to support the learning service in algerian universities during the covid 19 virus -A sample from the department of economics, El Tarf university-: تاريخ الاستلام:10/11/2020 تاريخ القبول:04/05/2023. Human Resources Development Research, [S. l.], v. 18, n. 01, p. 167–186, 2023. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/137. Acesso em: 2 nov. 2026.