Bilbao, Clara Esperanza, Lorena Marcela Velásquez, Diana Liceth Martínez, and Alexander Fernández. 2012. “Analysis of the E-Learning Context in the UNAD an Insight from the Technological, Social and Pedagogical Fields”. Revista De Investigaciones UNAD 11 (1): 107-31. https://doi.org/10.22490/25391887.1185.