سمية قداش, سبرينة مانع, and 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”, RDRH, vol. 17, no. 01, pp. 222–198, Oct. 2026.