Arteaga Rojas LM. Characterization of noise levels in two classrooms of the Universidad Pedagógica Nacional: isolation conditions, reverberation time and speech intelligibility. I+T+C Unicomfacauca [Internet]. 2019 Dec. 20 [cited 2024 May 5];1(13):50-9. Available from: https://revistas.unicomfacauca.edu.co/ojs/index.php/itc/article/view/itc2019_pag_50_59