C. Monge-Hernández, N. I. Méndez-Garita, and M. González-Moreno , Trans., “Barriers to the Institutionalization of University Extension: Experience of the Universidad Nacional, Costa Rica”, Rev. Electr. Educare, vol. 25, no. 1, pp. 1–24, Jan. 2021, doi: 10.15359/ree.25-1.21.