Salas-González, Silvia. “Teacher’s Perceptions for Pedagogical Mediation in Videoconferences at Universidad Estatal a Distancia (UNED)”. Innovaciones Educativas 22, no. 32 (June 22, 2020): 105–121. Accessed November 23, 2024. https://revistas.uned.ac.cr/index.php/innovaciones/article/view/2992.