سمية قداش; سبرينة مانع; جهيدة نسيلي. E-Learning And the effectiveness of university teaching performance In light of the Covid 19 crisis "from the teachers’ point of view" Case Study: Economics Faculties in Algerian Universities. Human Resources Development Research, [S. l.], v. 17, n. 01, p. 222–198, 2026. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/155. Acesso em: 2 nov. 2026.