Approaching the Yearly Expenses of Students Registered on UNED, Costa Rica. Revista ABRA, [S. l.], v. 42, n. 64, p. 54–68, 2022. DOI: 10.15359/abra.42-64.4. Disponível em: https://www.revistas.una.ac.cr/index.php/abra/article/view/14658.. Acesso em: 20 dec. 2024.