Guevara Altamirano, C.M. and Quintana Salgado, L.A. 2016. Evaluation of the implementation of virtual classroom in two curricular components electives of the Faculty of Dentistry, UNAN-León II semester 2015. Universitas (León) . 7, 2 (Dec. 2016), 19–25. DOI:https://doi.org/10.5377/universitas.v7i2.13869.