ARTEAGA ROJAS, L. M. . Characterization of noise levels in two classrooms of the Universidad Pedagógica Nacional: isolation conditions, reverberation time and speech intelligibility. I+ T+ C- Research, Technology and Science - Unicomfacauca, Popayán, CO, v. 1, n. 13, p. 50–59, 2019. Disponível em: https://revistas.unicomfacauca.edu.co/ojs/index.php/itc/article/view/itc2019_pag_50_59. Acesso em: 5 may. 2024.