Villar, Alejandro, and Walter Marcelo Campi. 2021. “Universidad Virtual E Inclusión: La Bimodalidad”. In Perspectives on Education Without Barriers or Limits: A Tribute to the Master Lorenzo García Aretio, 138-47. Institutional. Colombia,CO: Sello Editorial UNAD. https://doi.org/10.22490/9789586518260.2.6.