León Martínez, J. L. M., Tapia Rangel, E., & Sánchez Mendiola, M. (2021). Recursos educativos abiertos: valiosos e imprescindibles. In Perspectives on education without barriers or limits: A tribute to the Master Lorenzo García Aretio (pp. 300-311). Sello Editorial UNAD. https://doi.org/10.22490/9789586518260.4.6