https://www.selleckchem.com/products/apcin.html
Noise in the school environment has been a major concern in many countries around the world. Students need a favorable signal-to-noise ratio in the classroom to ensure adequate speech intelligibility, which is directly dependent on the acoustics of the classroom and favorable noise levels in these environments. To evaluate the effectiveness of physical, organizational, and educational interventions to achieve noise reduction in a school. Presentations on the effects of noise were made to school administrators, teachers, and students (educ
إعجاب
علق
شارك
