National Distance Education University (UNED) and the Virtualization of its Academic Offer. A Rational Analysis of its Implementation. Revista Electrónica Educare, [S. l.], v. 21, n. 3, p. 1–28, 2017. DOI: 10.15359/ree.21-3.23. Disponível em: https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/7637.. Acesso em: 18 dec. 2024.