ARAYA-MUÑOZ, I.; FONSECA-ARGÜELLO, M.; MAJANO-BENAVIDES, J.; UGALDE-VILLALOBOS, M. Evaluation of the Design and Didactic Development of Three Blended Learning Subjects. A Pilot Plan of the Faculty of Social Sciences at the Universidad Nacional, Costa Rica. Revista Electrónica Educare, v. 23, n. 1, p. 1-16, 1 jan. 2019.