Lighting and noise level in the central facilities of the Costa Rican Distance Education University: health implications for staff and students. UNED Res. J. [Internet]. 1 de junio de 2010 [citado 21 de septiembre de 2026];2(1):63-8. Disponible en: https://revistas.uned.ac.cr/index.php/cuadernos/article/view/222